Cybersecurity Tech Brief By HackerNoon

Where the Cybersecurity Market Is Actually Moving in 2026

HackerNoon — Sat, 05 Sep 2026 09:00:56 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/where-the-cybersecurity-market-is-actually-moving-in-2026.
A study of 77 cybersecurity vendors reveals how AI Security, Identity, Exposure Management, DSPM, DSA, and PQC are evolving.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #infosecurity, #ai-security, #market-research, #security-architecture, #forecasting, #security, #hackernoon-top-story, and more.

This story was written by: @yuriybutuzov. Learn more about this writer by checking @yuriybutuzov's about page, and for more stories, please visit hackernoon.com.

A study of 77 cybersecurity vendors reveals how AI Security, Identity, Exposure Management, DSPM, DSA, and PQC are evolving.

Best Autonomous Pentesting Tools for 2026

HackerNoon — Sat, 05 Sep 2026 09:00:54 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/best-autonomous-pentesting-tools-for-2026.
Stop guessing with scanners. Discover 7 autonomous pentesting tools that chain real exploits. Compare web, API, and network security leaders for 2026.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #pentesting, #pentesting-tools, #pentesting-ai-tool, #autonomous-pentesting, #cybersecurity, #cyberattacks, #offensive-security, #good-company, and more.

This story was written by: @stevebeyatte. Learn more about this writer by checking @stevebeyatte's about page, and for more stories, please visit hackernoon.com.

Stop guessing with scanners. Discover 7 autonomous pentesting tools that chain real exploits. Compare web, API, and network security leaders for 2026.

What It Actually Takes to Network a Live System That's Never Allowed to Go Offline

HackerNoon — Fri, 04 Sep 2026 09:00:44 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/what-it-actually-takes-to-network-a-live-system-thats-never-allowed-to-go-offline.
Lessons from building transit networks that can never go offline: addressing as a 20-year decision, blast-radius switch design, and testing by breaking things.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #networking, #system-design, #site-reliability-engineering, #infrastructure, #resilience, #building-networks, #public-transit-system, #intercom, and more.

This story was written by: @savni. Learn more about this writer by checking @savni's about page, and for more stories, please visit hackernoon.com.

I've spent over a decade building networks for a public transit system that's almost never allowed to go offline — surveillance, public address, intercom, and emergency comms running while trains keep moving underneath. That single "no maintenance window" constraint reshapes every decision: addressing schemes become twenty-year commitments, switch configuration becomes a blast-radius problem, and the acceptance test becomes the real deliverable. Here's what mission-critical network engineering actually takes when "down" means a passenger presses a call button and nobody answers.

A Six-Day Intrusion in March Became 3.7 Million Patients in August

HackerNoon — Fri, 04 Sep 2026 09:00:42 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/a-six-day-intrusion-in-march-became-37-million-patients-in-august.
CareCloud's breach count went from roughly 350,000 to 3,756,469 — five months after a six-day intrusion. The gap is a data-lineage problem, not a PR one.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #data-breach, #healthcare-security, #incident-response, #cloud-security, #cybersecurity, #healthcare-cybersecurity, #cyber-attack, #hipaa, and more.

This story was written by: @nickmarsteller. Learn more about this writer by checking @nickmarsteller's about page, and for more stories, please visit hackernoon.com.

CareCloud told federal regulators this week that 3,756,469 people were affected by a March breach of an AWS environment. The figure was first reported as roughly 350,000. The gap between those two numbers is the part worth studying.

When an AI Cannot Tell a Leak from a Hallucination: A Multi-Model Guardrail Case Study

HackerNoon — Thu, 03 Sep 2026 09:01:12 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/when-an-ai-cannot-tell-a-leak-from-a-hallucination-a-multi-model-guardrail-case-study.
A firsthand multi-model AI security case study on real account memory, simulated tools, hallucinated secrets, and broken provenance across AI workflows today.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #artificial-intelligence, #ai-security, #llm-security, #generative-ai, #prompt-injection, #ai-hallucinations, #responsible-disclosure, and more.

This story was written by: @cyber-octopus. Learn more about this writer by checking @cyber-octopus's about page, and for more stories, please visit hackernoon.com.

I tested AI Fiesta’s multi-model workflow to see how it separated system instructions, account memory, simulated tools and generated output. The models exposed instruction-like content, surfaced genuine account context, produced realistic security artifacts and then contradicted each other about whether those artifacts were real or simulated. The core issue wasn’t a confirmed leak but the broken provenance.

SonarQube Hunter Agent is Now GA: Catch Broken Access Control and Business Logic Flaws

HackerNoon — Thu, 03 Sep 2026 09:01:08 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/sonarqube-hunter-agent-is-now-ga-catch-broken-access-control-and-business-logic-flaws.
SonarQube Hunter Agent uses AI reasoning to find broken access control, business logic flaws, and security bugs traditional SAST tools miss.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #authentication, #finance, #programming, #artificial-intelligence, #business, #sonarqube-hunter-agent, #good-company, and more.

This story was written by: @sonarsource. Learn more about this writer by checking @sonarsource's about page, and for more stories, please visit hackernoon.com.

SonarQube Hunter Agent uses AI reasoning to find broken access control, business logic flaws, and security bugs traditional SAST tools miss.

Bright Security Expands its AI SDLC security Platform & Launches an AI PT Module

HackerNoon — Wed, 02 Sep 2026 09:01:12 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/bright-security-expands-its-ai-sdlc-security-platform-and-launches-an-ai-pt-module.
Bright Security Expands AI SDLC Security Platform, Launches AI PT: AI-Powered Penetration Testing That Cuts Weeks Down to Hours
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #ai, #cybernewswire, #press-release, #cyber-threats, #cyber-security-awareness, #cybersecurity-tips, #good-company, and more.

This story was written by: @cybernewswire. Learn more about this writer by checking @cybernewswire's about page, and for more stories, please visit hackernoon.com.

Pixel 11 Drops Hardware Memory Tagging and GrapheneOS May Skip It Entirely

HackerNoon — Wed, 02 Sep 2026 09:01:09 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/pixel-11-drops-hardware-memory-tagging-and-grapheneos-may-skip-it-entirely.
Pixel 11 drops ARM Memory Tagging Extension, a key hardware security feature. Here’s why GrapheneOS calls it a serious security regression.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #android, #google-pixel-11, #mobile-security, #memory-safety, #graphene-os, #privacy, #hardware-security, and more.

This story was written by: @davidtimothy. Learn more about this writer by checking @davidtimothy's about page, and for more stories, please visit hackernoon.com.

The Pixel 11 drops ARM Memory Tagging Extension (MTE), a hardware-level defense against memory corruption exploits. GrapheneOS says the missing feature is serious enough that it may skip the entire Pixel 11 generation. Google’s new security features, including post-quantum crypto, don’t replace MTE’s protection against today’s memory attacks. The Pixel 11 isn’t suddenly insecure, but losing MTE without an equivalent replacement is a clear security step backward.

Why Pentesting Teams are Drowning in Tools

HackerNoon — Tue, 01 Sep 2026 09:01:41 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/why-pentesting-teams-are-drowning-in-tools.
Pentesting teams are juggling more tools than ever. Learn how fragmented workflows create inefficiency and why centralized pentest management matters.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #pentesting, #cybersecurity, #pentest-management, #pentesting-tools, #penetration-testing, #pentest-platform, #pentest-workflow, #pentest-tool-sprawl, and more.

This story was written by: @anthonylucas. Learn more about this writer by checking @anthonylucas's about page, and for more stories, please visit hackernoon.com.

Pentesting teams are juggling more tools than ever. Learn how fragmented workflows create inefficiency and why centralized pentest management matters.

5 Big Crypto Crimes Solved by Chain Transparency —The Last One Saved Lives

HackerNoon — Tue, 01 Sep 2026 09:01:38 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/5-big-crypto-crimes-solved-by-chain-transparency-the-last-one-saved-lives.
Five real crypto crimes, one common clue: chain transparency. See how public ledgers helped investigators follow the money and crack the cases.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #crypto-crime, #crypto-hacks, #crypto-security, #on-chain-transactions, #public-blockchain, #obyte, #good-company, #hackernoon-top-story, and more.

This story was written by: @obyte. Learn more about this writer by checking @obyte's about page, and for more stories, please visit hackernoon.com.

Five real crypto crimes, one common clue: chain transparency. See how public ledgers helped investigators follow the money and crack the cases.

Why I Built a Password Manager That Never Touches the Cloud

HackerNoon — Thu, 27 Aug 2026 09:00:48 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/why-i-built-a-password-manager-that-never-touches-the-cloud.
Kryptix removes accounts, telemetry, and cloud sync from password management while offering encrypted backups, biometrics, and auditable code.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #passwords, #security, #data-security, #password-security, #offline, #react-native, #password-manager, #data-privacy, and more.

This story was written by: @nima01. Learn more about this writer by checking @nima01's about page, and for more stories, please visit hackernoon.com.

Kryptix removes accounts, telemetry, and cloud sync from password management while offering encrypted backups, biometrics, and auditable code.

Inside Xalgorix: An AI Pentester Built Around Exploit Verification

HackerNoon — Thu, 27 Aug 2026 09:00:45 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/inside-xalgorix-an-ai-pentester-built-around-exploit-verification.
Xalgorix is an open-source AI pentester that separates vulnerability discovery from independent exploit verification.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #devsecops, #open-source, #penetration-testing, #application-security, #security-testing, #artificial-intelligence, #ai-agents, and more.

This story was written by: @xalgord. Learn more about this writer by checking @xalgord's about page, and for more stories, please visit hackernoon.com.

Xalgorix is an open-source, self-hosted AI pentester whose independent verifier re-exploits candidate findings before they are reported.

When an Expired Domain Becomes a Security Problem

HackerNoon — Wed, 26 Aug 2026 09:00:50 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/when-an-expired-domain-becomes-a-security-problem.
Old domains can retain backlinks, references, integrations and digital history long after their original owners stop using them.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #infosec, #web-security, #dns, #web-domains, #expired-domains, #domain-security, #cybersecurity-awareness, and more.

This story was written by: @cyberbezpieczenstwo. Learn more about this writer by checking @cyberbezpieczenstwo's about page, and for more stories, please visit hackernoon.com.

Expired domains aren't just an SEO asset — they can become a cybersecurity risk. Old domains may still be referenced in documentation, DNS, email systems, APIs and external websites. If someone else registers the domain, that forgotten digital footprint can potentially be abused. Organizations should treat domain retirement as part of their security lifecycle and audit dependencies before allowing a domain to expire.

62 Blog Posts To Learn About Network

HackerNoon — Tue, 25 Aug 2026 09:00:31 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/62-blog-posts-to-learn-about-network.
Learn everything you need to know about Network via these 62 free HackerNoon blog posts.
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This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

Claude Code Hooks: How to Stop AI Agents From Breaking Your Code

HackerNoon — Tue, 25 Aug 2026 09:00:28 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/claude-code-hooks-how-to-stop-ai-agents-from-breaking-your-code.
Learn how Claude Code hooks create deterministic guardrails that block dangerous commands and verify AI-generated code before problems ship.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #docker, #large-language-models, #programming, #api, #artificial-intelligence, #claude-code-hooks, #good-company, and more.

This story was written by: @sonarsource. Learn more about this writer by checking @sonarsource's about page, and for more stories, please visit hackernoon.com.

Learn how Claude Code hooks create deterministic guardrails that block dangerous commands and verify AI-generated code before problems ship.

Prompt Injection Is Now an RCE Primitive

HackerNoon — Mon, 24 Aug 2026 09:00:59 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/prompt-injection-is-now-an-rce-primitive.
When AI controls tools, prompt injection becomes execution risk. Map primitives, remove authority, isolate runtimes, validate inputs, and monitor hosts.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #ai-security, #prompt-injection, #rce, #ai-agents, #ai-agent-security, #semantic-kernel, #runtime-isolation, #hackernoon-top-story, and more.

This story was written by: @superorange0707. Learn more about this writer by checking @superorange0707's about page, and for more stories, please visit hackernoon.com.

The article argues that prompt injection in tool-using agents should be treated as an execution-path problem, not just a content-filtering problem. Its core recommendation is to map every untrusted input source to the tools, primitives, credentials, filesystem paths, and network destinations it can reach, then break those paths with least privilege, typed tool design, sandboxing, scoped credentials, approval gates, and host-level monitoring.

Name It, Frame It, Check It: A 3-Step Fix for Phishing

HackerNoon — Sat, 22 Aug 2026 09:00:35 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/name-it-frame-it-check-it-a-3-step-fix-for-phishing.
Why do employees still fall for phishing after security training? A cognitive security experiment explores how objective thinking may reduce risk.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #security, #social-engineering, #phishing, #social-engineering-attacks, #social-engineering-tricks, #phishing-email, #prevent-phishing, #how-to-prevent-phishing, and more.

This story was written by: @leah-zitter. Learn more about this writer by checking @leah-zitter's about page, and for more stories, please visit hackernoon.com.

Why do employees still fall for phishing after security training? A cognitive security experiment explores how objective thinking may reduce risk.

Why You Should Stay Away From Free VPNs (and Use ApexGuard Instead)

HackerNoon — Fri, 21 Aug 2026 09:01:05 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/why-you-should-stay-away-from-free-vpns-and-use-apexguard-instead.
Free VPNs can come with slow speeds, data caps, ads, and tracking. Learn what to check before trusting a VPN with your internet traffic.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #vpn, #apexguard, #free-vpn-safety, #vpn-data-privacy, #vpn-speed-limits, #vpn-logging, #ram-servers-vpn, #good-company, and more.

This story was written by: @nicafurs. Learn more about this writer by checking @nicafurs's about page, and for more stories, please visit hackernoon.com.

Free VPNs can come with slow speeds, data caps, ads, and tracking. Learn what to check before trusting a VPN with your internet traffic.

How an AutoGPT Email Block Became an SSRF Surface

HackerNoon — Fri, 21 Aug 2026 09:01:03 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-an-autogpt-email-block-became-an-ssrf-surface.
CVE-2026-33234 let authenticated AutoGPT users scan internal networks and leak SSH banners through its unprotected SMTP connection path.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #cve, #autogpt, #ai-and-ml, #ai-security, #network-security, #vulnerability, #pavan-nallamothu, and more.

This story was written by: @pavanchow. Learn more about this writer by checking @pavanchow's about page, and for more stories, please visit hackernoon.com.

AutoGPT enforces strict SSRF protections on its HTTP layer. But the SendEmailBlock uses Python's smtplib to open raw TCP sockets, bypassing the blocklist entirely. Pointing this block at internal SSH or Redis ports forces smtplib to throw an exception that leaks the service banner directly in the API response. Authenticated users can map the internal network and identify vulnerable services from a single text field. Fixed in backend 0.6.52 by extending IP validation to all outbound protocols.

SecurityMetrics Wins Cybersecurity Audit Team of the Year from the Hacker News

HackerNoon — Wed, 19 Aug 2026 09:00:30 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/securitymetrics-wins-cybersecurity-audit-team-of-the-year-from-the-hacker-news.
SecurityMetrics' has won Cybersecurity Audit Team of the year from the Hacker News.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #compliance, #cybersecurity, #audit, #award, #pci-compliance, #pci-dss, #business, #good-company, and more.

This story was written by: @pr-securitymetrics. Learn more about this writer by checking @pr-securitymetrics's about page, and for more stories, please visit hackernoon.com.

SecurityMetrics' Audit team has won the Cybersecurity Audit Team of the Year award from the Hacker News. This award highlights the Audit team's expertise and commitment to streamlining the compliance process for their clients.

Businesses Always Have Messy Emails (Part 2)

HackerNoon — Wed, 19 Aug 2026 09:00:27 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/businesses-always-have-messy-emails-part-2.
Security isn't a product you buy once. It's a process. Because at the end of the day, most security incidents don't start with sophisticated hackers.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #emails, #email-marketing, #newsletter, #businesses-have-messy-emails, #web-monetization, #data-security, #phishing, and more.

This story was written by: @arthurtkachenko-rm2m8. Learn more about this writer by checking @arthurtkachenko-rm2m8's about page, and for more stories, please visit hackernoon.com.

Cross-team collaboration introduces additional complexity, and the volume of information being shared grows rapidly. Managing access rights, protecting customer information, and preventing accidental data exposure become increasingly difficult.

Two-Factor Authentication: Because Apparently One Password Wasn't Annoying Enough

HackerNoon — Mon, 17 Aug 2026 09:00:33 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/two-factor-authentication-because-apparently-one-password-wasnt-annoying-enough.
Two-factor authentication was supposed to make our lives online safer because apparently one password wasn't annoying enough
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #password-security, #passwords, #mfa-fatigue, #account-security, #digital-identity, #authentication-design, #cybersecurity-ux, #login-friction, and more.

This story was written by: @technologynews. Learn more about this writer by checking @technologynews's about page, and for more stories, please visit hackernoon.com.

Enter your password, prove you have your phone, and you're in. Unfortunately, technology has never been particularly good at leaving simple things alone.

How Mailing Lists Break DMARC, and Why ARC Only Partly Fixes It

HackerNoon — Sun, 16 Aug 2026 09:00:55 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-mailing-lists-break-dmarc-and-why-arc-only-partly-fixes-it.
Why mailing lists break DMARC, what ARC (RFC 8617) actually does about it, why it only helps where the receiver trusts the sealer, and why From-munging is the reliable fix.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #email-authentication, #dmarc, #dkim, #mailing-list-management, #email-deliverability, #dmarc-alignment, #mailing-lists-vs-dmarc, #mailing-list-security, and more.

This story was written by: @vadimivanov. Learn more about this writer by checking @vadimivanov's about page, and for more stories, please visit hackernoon.com.

Mailing lists break DMARC because they modify messages and forward from their own servers. ARC lets a list vouch that the message passed DMARC before it touched it, but only helps at receivers that evaluate it and trust the sealer's reputation. From-munging is the universal fix; run both.

Content Security Policy Report-Only: How to Collect and Analyze CSP Violation Reports

HackerNoon — Sat, 15 Aug 2026 09:00:34 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/content-security-policy-report-only-how-to-collect-and-analyze-csp-violation-reports.
Learn how to use CSP Report-Only safely: secure the reporting endpoint, normalize and group violations, fix issues, and enforce your policy with confidence.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #content-security-policy, #reporting-api, #csp-report-only-mode, #reporting-api-csp, #csp-policy-enforcement, #csp-violation-reports, #report-to-versus-report-uri, #csp-reporting, and more.

This story was written by: @darevskaya. Learn more about this writer by checking @darevskaya's about page, and for more stories, please visit hackernoon.com.

CSP Report-Only mode helps you discover what a new policy would break before enforcing it on real users. But collecting reports is not enough: you must secure the public reporting endpoint, validate and sanitize its data, and group related violations so you can separate real application problems from noise and decide what to fix before enforcement.

Post-Quantum TLS for Cloud APIs and Microservices

HackerNoon — Sat, 15 Aug 2026 09:00:31 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/post-quantum-tls-for-cloud-apis-and-microservices.
Learn how to migrate cloud TLS to X25519MLKEM768 by treating every TLS termination as a separate boundary, with telemetry, fallback controls, and rollout gates.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #post-quantum-cryptography, #tls-handshake, #quantum-cryptography, #quantum-computation, #post-quantum-tls-migration, #mtls-service-mesh, #hybrid-tls-cloud-exchange-key, #hackernoon-top-story, and more.

This story was written by: @nikhil2997. Learn more about this writer by checking @nikhil2997's about page, and for more stories, please visit hackernoon.com.

Hybrid post-quantum TLS is not a single application switch—every gateway, proxy, load balancer, and service connection must be migrated and verified independently. X25519MLKEM768 adds manageable CPU cost but substantially increases handshake size, making connection reuse, compatibility testing, telemetry, explicit policies, and reversible rollout gates essential.

How to Implement Micro-Segmentation in K8s Using Cilium Network Policies

HackerNoon — Fri, 14 Aug 2026 09:01:03 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-to-implement-micro-segmentation-in-k8s-using-cilium-network-policies.
How to implement robust micro-segmentation in Kubernetes environments utilizing Cilium and eBPF
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #micro-segmentation, #k8s, #cilium, #kubernetes, #zero-trust-knowledge, #ebpf, #cilium-network, #kubernetes-guide, and more.

This story was written by: @anasrhimi. Learn more about this writer by checking @anasrhimi's about page, and for more stories, please visit hackernoon.com.

By defaulting to a deny-all posture and explicitly allowing via CNPs, you establish a resilient micro-segmented architecture where blast radii are strictly contained.

How to Make Your Repository Ready for AI Coding Agents

HackerNoon — Fri, 14 Aug 2026 09:01:01 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-to-make-your-repository-ready-for-ai-coding-agents.
Learn how deterministic CI, single-gate tooling, AGENTS.md checks, fast tests, and security rules make repositories safer for AI coding agents.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #databases, #git, #artificial-intelligence, #data-science, #finance, #ai-coding-agents, #ai-agent-tooling, and more.

This story was written by: @fmind. Learn more about this writer by checking @fmind's about page, and for more stories, please visit hackernoon.com.

Learn how deterministic CI, single-gate tooling, AGENTS.md checks, fast tests, and security rules make repositories safer for AI coding agents.

Reclaim Security Names Stephen Wadsworth VP of Sales as Cybersecurity Shifts From Exposure Discovery

HackerNoon — Wed, 12 Aug 2026 09:00:44 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/reclaim-security-names-stephen-wadsworth-vp-of-sales-as-cybersecurity-shifts-from-exposure-discovery.

Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #cyber-threats, #personal-data-exposure, #cyberthreats, #security, #cyber-security, #ciso, #ciso-insights, and more.

This story was written by: @ruth-hasson. Learn more about this writer by checking @ruth-hasson's about page, and for more stories, please visit hackernoon.com.

Bridges Are Crypto's Weakest Point - Incident Response Is the Real Test

HackerNoon — Wed, 12 Aug 2026 09:00:41 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/bridges-are-cryptos-weakest-point-incident-response-is-the-real-test.
Crypto bridges remain a major security risk. Here’s why incident response, preparation and transparency matter when a bridge exploit happens.
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Crypto bridges concentrate significant risk in a single verification layer, making them attractive targets for attackers. Major exploits such as Ronin, Wormhole and Nomad exposed different technical weaknesses but shared the same structural problem: attackers convinced a bridge that assets existed when they did not. Audits remain essential, but security also depends on key management, monitoring and operational discipline. When an incident happens, four things matter most: speed, precise scope, verified information and preparation. The teams that demonstrate discipline in the first 48 hours are the ones that earn long-term trust.

24 Billion Stolen Passwords in One Database: Inside the Industrial Infostealer Economy

HackerNoon — Tue, 11 Aug 2026 09:01:23 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/24-billion-stolen-passwords-in-one-database-inside-the-industrial-infostealer-economy.
A single exposed database held 24 billion stolen credentials — how the infostealer economy industrialized account takeover, and how to defend.
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This story was written by: @nickmarsteller. Learn more about this writer by checking @nickmarsteller's about page, and for more stories, please visit hackernoon.com.

Researchers discovered an exposed database containing 24 billion stolen credentials aggregated from infostealer malware, historic breaches, and cybercriminal infrastructure.

The $10,000 Fine Behind a 15-Million-Record Breach: MMG Fusion and HIPAA's Weakest Link

HackerNoon — Mon, 10 Aug 2026 09:01:01 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/the-$10000-fine-behind-a-15-million-record-breach-mmg-fusion-and-hipaas-weakest-link.
The MMG Fusion HIPAA settlement exposed 15M records for a $10,000 fine — what it means for healthcare vendors and business-associate breach risk.
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Healthcare software vendor MMG Fusion exposed the protected health information of approximately 15 million patients, failed to notify the healthcare providers it served as required by HIPAA, and only came under investigation after a complaint revealed the data was being sold on the dark web. Although the company settled with HHS OCR for just $10,000, the more significant consequence is a three-year federally monitored corrective action plan. The case underscores that third-party vendors remain one of healthcare's biggest security risks—and that continuous risk analysis, strong identity and access controls, and timely breach notification are just as critical as the financial penalties that follow a breach.

61 Blog Posts To Learn About Http

HackerNoon — Sun, 09 Aug 2026 09:00:59 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/61-blog-posts-to-learn-about-http.
Learn everything you need to know about Http via these 61 free HackerNoon blog posts.
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Ten AI Events That Defined July

HackerNoon — Fri, 07 Aug 2026 09:00:53 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/ten-ai-events-that-defined-july.
Global powers are shifting from AI rule-making to operational control, with the EU, US, and China formalizing AI governance and shaping its implementation.
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Global powers are shifting from AI rule-making to operational control, with the EU, US, and China formalizing AI governance and shaping its implementation.

AI Agent Identity Is Built on Broken Service Account Hygiene

HackerNoon — Fri, 07 Aug 2026 09:00:50 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/ai-agent-identity-is-built-on-broken-service-account-hygiene.
AI agent identity looks new, but enterprises are still carrying the same unresolved service-account problems underneath it.
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AI agent identity is a faster version of the old service-account problem: unclear ownership, excessive permissions, weak auditability and delayed discovery.

The Real Cryptography Behind a Fictional Quantum Machine

HackerNoon — Thu, 06 Aug 2026 09:00:59 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/the-real-cryptography-behind-a-fictional-quantum-machine.
A novel about a machine that breaks RSA-4096. Seven details readers assume were invented for the plot, traced to the document each actually came from.
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Cleartext is a techno-thriller built on a machine nobody has publicly demonstrated. Most of the cryptography around that machine is taken directly from published standards and papers: RFC 8017, FIPS 203, Signal's PQXDH announcement, the NIST post-quantum FAQ, Executive Order 12333. This essay traces seven such details to their primary sources, then states plainly which parts of the book are invented, and how far real quantum hardware sits from the fictional machine.

Europe Turns AI Sovereignty Into a €30 Billion Compute Tender

HackerNoon — Thu, 06 Aug 2026 09:00:57 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/europe-turns-ai-sovereignty-into-a-euro30-billion-compute-tender.
Europe has launched a €30 billion tender for up to seven AI Gigafactories, combining public and private investment, to build sovereign AI infrastructure.
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Europe has launched a €30 billion tender for up to seven AI Gigafactories, combining public and private investment, to build sovereign AI infrastructure.

2026 Cybersecurity Excellence Awards: Community Choice Winners Selected Through 80,000 Votes

HackerNoon — Wed, 05 Aug 2026 09:00:35 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/2026-cybersecurity-excellence-awards-community-choice-winners-selected-through-80000-votes.
Community Choice is the only Cybersecurity Excellence Awards recognition determined directly by community voting. It complements the jury awards by recognizing
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Inside DNP3: Building an Outstation from the Ground Up

HackerNoon — Wed, 05 Aug 2026 09:00:32 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/inside-dnp3-building-an-outstation-from-the-ground-up.
Hands-on DNP3 protocol analysis in Python: state machines, transport reassembly anomalies, administrative functions, and Secure Authentication (SA v5).
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We built a custom Python-based DNP3 lab to analyze protocol mechanics from the raw socket layer up across 5 phases: 1. Reconnaissance: Parsed Class 0 Integrity Reads to extract Internal Indication (IIN) status bytes (e.g: IIN1.7 Device Restart). 2. Control Execution: Evaluated Select-Before-Operate (SBO) workflows, verifying that un-armed `OPERATE` (`FC 0x04`) requests are rejected while `DIRECT OPERATE` (`FC 0x05`) waives arming. 3. Administrative Functions: Tested system-level functions (FC 0x0D, FC 0x0E, FC 0x12, FC 0x18), showing how `STOP APPLICATION` halts application-layer processing while the network socket remains reachable. 4. Transport Layer: Probed single-byte transport header reassembly (FIR/FIN/SEQ) using orphaned fragments to trigger IIN2.2 errors, and verified unsolicited response forgery (FC 0x82). 5. Secure Authentication (SA v5): Implemented IEEE 1815-2012 Group 120 challenge-response HMAC exchanges to secure critical function codes without encrypting underlying payloads.

Probably Provenance? You Can’t Just Slap a Sticker on It

HackerNoon — Tue, 04 Aug 2026 09:00:52 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/probably-provenance-you-cant-just-slap-a-sticker-on-it.
C2PA treats provenance like a sticker. This essay argues AI agents need locally held, tamper-evident logs that anyone can verify.
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The article argues that C2PA’s content-bound manifests can be separated from assets during ordinary transformations and that its official trust model still depends on approved certificate authorities. It proposes locally held, append-only and tamper-evident system logs as a stronger model for recording autonomous-agent actions. C2PA does support both embedded and externally stored manifests, as well as soft bindings intended to reconnect altered assets with provenance records.

10 Hottest Startups to Watch in 2026

HackerNoon — Tue, 04 Aug 2026 09:00:50 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/10-hottest-startups-to-watch-in-2026.

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Privacy Is No Longer a Requirement. It's an Architectural Constraint

HackerNoon — Mon, 03 Aug 2026 09:00:52 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/privacy-is-no-longer-a-requirement-its-an-architectural-constraint.
Most engineering teams say privacy comes first, then ship architectures that prove otherwise. Why privacy and accessibility are constraints, not checklists.
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Every engineering team says privacy and accessibility come first, but most architectures treat them as a checklist bolted onto the end of the pipeline -- which means they're the first thing cut under a deadline. The argument here is that privacy and accessibility are architectural constraints, not policies: you design against them like you design against latency. Privacy gets exponentially harder at scale (location traces are nearly unique; deletion is a distributed-systems problem, not one write), and accessibility bugs slip because functional tests assert behavior, not semantics -- the button still works, it just announces nothing. The fix is to automate the known invariants as build gates (data-minimization as a schema check) and reserve human expert judgment for the genuinely new trade-offs. Trust isn't a value you profess; it's a property your architecture either has or it doesn't.

OpenMatter Network Urges Enterprise Leaders to Rethink AI Security Before The Next Rogue AI Crisis

HackerNoon — Fri, 31 Jul 2026 09:00:54 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/openmatter-network-urges-enterprise-leaders-to-rethink-ai-security-before-the-next-rogue-ai-crisis.
Davis said that instead of asking how to make artificial intelligence more secure, enterprise leaders should be asking a far more fundamental question
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CISO Whisperer Launches Its Black Hat USA 2026 Watch List: 12 Companies Across Three Tiers

HackerNoon — Thu, 30 Jul 2026 09:00:39 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/ciso-whisperer-launches-its-black-hat-usa-2026-watch-list-12-companies-across-three-tiers.

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CISO Whisperer Launches Its Black Hat USA 2026 Watch List: 12 Companies Across Three Tiers

The Complete 2026 Guide to Bug Bounty Hunting

HackerNoon — Thu, 30 Jul 2026 09:00:37 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-to-start-bug-bounty-hunting-in-2026-the-complete-beginners-guide.
Everything you need to know to find your first vulnerability, get paid, and build a real reputation in cybersecurity — without breaking any laws.
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This story was written by: @b0dj0x. Learn more about this writer by checking @b0dj0x's about page, and for more stories, please visit hackernoon.com.

Everything you need to know to find your first vulnerability, get paid, and build a real reputation in cybersecurity — without breaking any laws.

AI Security Startup Mate Surpasses $50M in Funding Amid Growing Enterprise Adoption

HackerNoon — Wed, 29 Jul 2026 09:00:48 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/ai-security-startup-mate-surpasses-$50m-in-funding-amid-growing-enterprise-adoption.
The financing follows a period of rapid commercial growth, with the company reporting more than 500% growth since the third quarter of 2025.
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The company's platform is built around a patent-pending context layer that enables AI agents to interpret security events using organizational knowledge. Rather than treating alerts as isolated incidents, the platform considers information about how the organization operates before recommending a response.

Rethinking Ransomware Defense at the Filesystem Layer

HackerNoon — Wed, 29 Jul 2026 09:00:45 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/rethinking-ransomware-defense-at-the-filesystem-layer.
Ransomware defense using fanotify and append only archives
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None of this replaces good backup hygiene, offline copies, or incident response planning. But it does move the fight to a stage where you have more leverage: instead of racing to restore from whatever snapshot survived, you're dealing with an attacker who never had a normal filesystem to attack in the first place.

Insight Partners And Glilot Capital Lead $20M Investment in Way Security

HackerNoon — Tue, 28 Jul 2026 09:01:00 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/insight-partners-and-glilot-capital-lead-$20m-investment-in-way-security.
The $20 million investment reflects the belief from Insight Partners and Glilot Capital that this execution gap represents a significant market opportunity.
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dentity is one of the most critical layers of enterprise security, yet organizations still struggle to operationalize their investments efficiently,” said Jeff Horing, Co-Founder and Managing Director at Insight Partners. “Way Security is addressing a large and persistent gap between IAM software and real-world execution.

Stop Writing Incident Reports, Start Writing Case Law: Gaps from OpenAI and Hugging Face Disclosure

HackerNoon — Tue, 28 Jul 2026 09:00:58 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/stop-writing-incident-reports-start-writing-case-law-gaps-from-openai-and-hugging-face-disclosure.
Reading the OpenAI agent breach as case law: five elements mapped across OWASP Agentic Top 10, MITRE ATLAS, CSA MAESTRO, and the NIST AI RMF.
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This story was written by: @salkimmich. Learn more about this writer by checking @salkimmich's about page, and for more stories, please visit hackernoon.com.

An OpenAI model escaped its test sandbox, chained two zero-days, and breached Hugging Face to cheat on a benchmark. The capability was new; the failure mode was not. Written up as a legal case, the incident breaks into five elements, and four of them resolve on security principles published between 1966 and 1988. The fifth, a defender's own AI tooling refusing to analyze its own attack logs, maps to no existing rule and needs a new one.

3 Ways JWTs Get Forged, and the One Rule That Stops Them All

HackerNoon — Mon, 27 Jul 2026 09:01:35 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/3-ways-jwts-get-forged-and-the-one-rule-that-stops-them-all.
A practical walkthrough of three JWT forgery attacks involving unsigned tokens, weak secrets, and algorithm confusion.
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I walk through the three JWT attacks I actually test for: changing the algorithm to none, cracking weak HMAC secrets offline, and confusing an RS256 verifier into accepting an HS256 token signed with the public key. All three exploit weak assumptions in how the server verifies the token.

204 Blog Posts To Learn About Digital Identity

HackerNoon — Mon, 27 Jul 2026 09:01:32 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/204-blog-posts-to-learn-about-digital-identity.
Learn everything you need to know about Digital Identity via these 204 free HackerNoon blog posts.
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How to Secure a Multi-Site Business Network Against Modern Cyber Threats

HackerNoon — Sun, 26 Jul 2026 09:00:42 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-to-secure-a-multi-site-business-network-against-modern-cyber-threats.
Learn the network security best practices that protect multi-site businesses with segmentation, zero trust, firewalls, secure remote access, and monitoring.
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Modern businesses face cyber threats across branch offices, cloud environments, and remote teams. This guide explains how to build secure network infrastructure using segmentation, next-generation firewalls, zero trust access, secure connectivity, identity management, and continuous monitoring. It also outlines a phased roadmap for strengthening multi-site network security without disrupting operations.

How Daylight Security’s Viral Videos Turned The CISO Genie Into A Black Hat Sensation

HackerNoon — Sun, 26 Jul 2026 09:00:40 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-daylight-securitys-viral-videos-turned-the-ciso-genie-into-a-black-hat-sensation.
build a booth, showcase a product and try to convince security leaders to make time for a conversation.
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Rather than establish a traditional booth, the company introduced the "CISO Genie," a private concierge designed to help security leaders attending the conference. The initiative has since become the focus of two videos shared on LinkedIn by Hagai Shapira, Co-Founder and CEO of Daylight, generating significant engagement while bringing a distinctly lighter tone to the company's Black Hat presence.

Virus Protection for Phone: Why Modern Smartphones Need More Than Antivirus

HackerNoon — Sat, 25 Jul 2026 09:00:59 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/virus-protection-for-phone-why-modern-smartphones-need-more-than-antivirus.
Virus protection for phone is no longer just about antivirus. Explore behavioral detection, anti-spyware technologies and secure mobile communications.
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Traditional antivirus alone is no longer enough. Modern mobile threats often bypass signature-based detection using spyware, banking trojans, phishing, and zero-click techniques. Behavioral detection is becoming the new standard. Monitoring application behavior, permissions and system anomalies helps identify threats that conventional antivirus solutions may miss. Security extends beyond the device. Protecting communications, cloud infrastructure and authentication mechanisms is just as important as detecting malware. Layered protection is essential. Effective virus protection for phone combines antivirus, anti-spyware technologies, secure communications and continuous monitoring into a single security strategy. The future of mobile security is proactive, not reactive. The most effective solutions stop attacks by recognizing suspicious behavior before sensitive data is compromised.

WAIC Turns China’s AI Stack Into a Governance and Compute Signal

HackerNoon — Fri, 24 Jul 2026 09:00:50 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/waic-turns-chinas-ai-stack-into-a-governance-and-compute-signal.
China is using its flagship AI conference not only to showcase models, robots, and products, but to demonstrate a full-stack alternative to U.S.-AI power.
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This story was written by: @ttassos. Learn more about this writer by checking @ttassos's about page, and for more stories, please visit hackernoon.com.

China is using its flagship AI conference not only to showcase models, robots, and products, but to demonstrate a full-stack alternative to U.S.-centered AI power.

India's AI Opportunity Lies Beyond the Model Wars

HackerNoon — Fri, 24 Jul 2026 09:00:48 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/indias-ai-opportunity-lies-beyond-the-model-wars.
India could gain a global AI advantage by combining digital public infrastructure, data protection, consent, and scalable governance.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #cyber-security-awareness, #trusted-ai, #indiaai-mission, #india-ai-governance, #digital-public-infrastructure, #enterprise-ai-governance, #ai-governance-framework, and more.

This story was written by: @raghu_sprinto. Learn more about this writer by checking @raghu_sprinto's about page, and for more stories, please visit hackernoon.com.

India could gain a global AI advantage by combining digital public infrastructure, data protection, consent, and scalable governance.

Nations Compete to Control AI’s Pathways to Power

HackerNoon — Thu, 23 Jul 2026 09:01:08 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/nations-compete-to-control-ais-pathways-to-power.
AI governance is shifting from models to the infrastructure, energy, chips and security systems that convert artificial intelligence into usable power.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #finance, #leadership, #legal, #machine-learning, #software-development, #ai-infrastructure, #ai-supercomputer, and more.

This story was written by: @ttassos. Learn more about this writer by checking @ttassos's about page, and for more stories, please visit hackernoon.com.

AI governance is shifting from models to the infrastructure, energy, chips and security systems that convert artificial intelligence into usable power.

When PowerShell Said "Failed," tcpdump Said Why

HackerNoon — Thu, 23 Jul 2026 09:01:06 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/when-powershell-said-failed-tcpdump-said-why.
A failed PowerShell download, a missing packet, and the tcpdump commands that proved where the connection really died — host firewall, not the attacker.
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This story was written by: @RoshanRajbanshi_frqj97tc. Learn more about this writer by checking @RoshanRajbanshi_frqj97tc's about page, and for more stories, please visit hackernoon.com.

A malicious PowerShell script on a compromised app server tried to download a second-stage payload and failed — but the error message couldn't say whether the attacker's server refused it, a firewall blocked it, or it never left the host. Four tcpdump commands settled it: the request never reached the network at all. This piece walks through the core tcpdump syntax (reading captures, payload inspection, host/port filtering, TCP flag matching) using a clean sample file, then applies it to a real incident-response case to show why packet-level visibility catches things host logs structurally can't.

Two-Thirds of the Top Million Domains Can Still Be Spoofed

HackerNoon — Wed, 22 Jul 2026 09:01:17 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/two-thirds-of-the-top-million-domains-can-still-be-spoofed.
Daily DNS scans of the Tranco top-1M show 67% of mail-receiving domains have no enforced DMARC policy — and the enforcement share keeps falling.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #email-security, #dmarc, #cybersecurity, #dns, #data-analysis, #email-spoofing, #dns-security, #cybersecurity-research, and more.

This story was written by: @artem-berezin. Learn more about this writer by checking @artem-berezin's about page, and for more stories, please visit hackernoon.com.

We analysed daily DNS snapshots of the Tranco top-1M. Of 659,259 mail-receiving domains, 67.4% publish no enforced DMARC policy, ~96,000 run "monitoring mode" that reports to no one, and the enforcement share is declining — a side effect of the 2024–2025 bulk-sender mandates that made p=none the ceiling.

The $2 Trillion Compliance Problem: Why Regulated Industries Need a Unified AI Approach

HackerNoon — Wed, 22 Jul 2026 09:01:15 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/the-$2-trillion-compliance-problem-why-regulated-industries-need-a-unified-ai-approach.
AI will not fix compliance with keyword lists. The real opportunity is reusable infrastructure across regulated industries.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #compliance, #dynamic-data-regluation, #regulatory-compliance, #regtech, #compliance-automation, #governance-risk-compliance, #natural-language-processing, #hackernoon-top-story, and more.

This story was written by: @booyokkk. Learn more about this writer by checking @booyokkk's about page, and for more stories, please visit hackernoon.com.

The U.S. spends $2.15 trillion a year on regulatory compliance, and after years of building compliance systems, I think I know why: every regulated industry rebuilds the same infrastructure from scratch. Finance, healthcare, and corporate communications all solve an identical problem (messy data in, rules applied, audit trail out) with completely separate tools, while 77% of compliance teams still work manually. The fix is three shared layers: a universal data pipeline, a context-aware analysis engine, and a regulatory change tracker. Nobody has built them as one platform because vendors organize by vertical, not by problem. I'm working on changing that, and I have a prototype running rules from four unrelated regulatory domains through a single engine.

AI Agents & Non-Human Identities: Why They Must Be IAM Users

HackerNoon — Tue, 21 Jul 2026 09:01:04 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/ai-agents-and-non-human-identities-why-they-must-be-iam-users.
AI agents and non-human identities must exist as first-class IAM users before they act. Start with auditability, access review, and governance in your IAM.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #identity-and-access-management, #non-human-identity, #enterprise-security, #autonomous-ai-agent-identity, #machine-identity-management, #enterprise-iam-for-ai-agents, #ai-access-governance, #agentic-ai-security, and more.

This story was written by: @sebastianmartinez. Learn more about this writer by checking @sebastianmartinez's about page, and for more stories, please visit hackernoon.com.

AI agents should not run on secrets, tokens, shared service accounts, or borrowed human sessions. If they can access systems, interpret context, select tools, and trigger actions, they need stable, visible identities in IAM. Start simple: create directory users for meaningful agents, classify them as “Agent”, apply governance groups such as human-supervised or high-privilege, and govern them before they act.

Cell Services vs LoRa Mesh: When Do You Actually Need Off-Grid Comms?

HackerNoon — Tue, 21 Jul 2026 09:01:02 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/cell-services-vs-lora-mesh-when-do-you-actually-need-off-grid-comms.
Cellular wins for everyday communication. Mesh wins when coverage disappears, networks overload, or groups need off-grid coordination.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #disaster-recovery-plan, #temporal-dead-zone, #meshtastic, #lora, #off-grid-communication, #mesh-networking, #disaster-preparedness, #resilient-communications, and more.

This story was written by: @MeshMarine. Learn more about this writer by checking @MeshMarine's about page, and for more stories, please visit hackernoon.com.

Cellular wins for everyday communication. Mesh wins when coverage disappears, networks overload, or groups need off-grid coordination.

Post-Quantum Migration Is Not a Library Upgrade, It Is a Distributed Systems Problem

HackerNoon — Sun, 19 Jul 2026 09:00:55 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/post-quantum-migration-is-not-a-library-upgrade-it-is-a-distributed-systems-problem.
Learn why post-quantum migration is a cloud architecture challenge, not just a cryptography upgrade, and how crypto agility enables safe enterprise adoption.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #post-quantum-cryptography, #cyber-security-awareness, #cloud-native-crypto-agility, #kubernetes-crypto-agility, #cryptographic-dependency-graph, #cloud-native-pqc-architecture, #post-quantum-tls-migration, #cryptography-bill-of-materials, and more.

This story was written by: @nikhil2997. Learn more about this writer by checking @nikhil2997's about page, and for more stories, please visit hackernoon.com.

Replacing RSA or elliptic-curve cryptography in one application library does not make a cloud-native system quantum-ready. Cryptography is spread across gateways, service meshes, certificates, workload identities, cloud KMS, CI/CD signing, and vendor-managed services. The real job is to discover those dependencies, rank them by risk, move algorithm choices behind policy, roll out hybrid or post-quantum modes progressively, measure production behavior, and retire legacy algorithms with evidence.

Social Engineering Attempts Via LinkedIn Messaging: How to Stay Safe

HackerNoon — Sat, 18 Jul 2026 09:00:36 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/social-engineering-attempts-via-linkedin-messaging-how-to-stay-safe.
If someone you just met on LinkedIn wants you to share your screen and install software, assume it's malicious until proven otherwise.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #phishing, #phising-attacks, #social-engineering, #cybersecurity, #linkedin, #social-media-hacking, #cybersecurity-tips, #cybersecurity-awareness, and more.

This story was written by: @chribonn. Learn more about this writer by checking @chribonn's about page, and for more stories, please visit hackernoon.com.

I participated in a LinkedIn-based social engineering attempt The playbook: ✅ LinkedIn message ✅ Calendly meeting invite ✅ No camera ("technical issue") ✅ Gmail account, not corporate email ✅ Request to share your screen ✅ Excessive praise regardless of your answers ✅ Links to external sites + requests to install software When I challenged the scam and said I'd write about it, the call ended immediately. Stay vigilant.

Amnesia: What If a Messenger Was Designed to Forget?

HackerNoon — Fri, 17 Jul 2026 09:01:04 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/amnesia-what-if-a-messenger-was-designed-to-forget.
Amnesia is an early research concept for disposable one-to-one messaging.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #privacy, #encryption, #cryptography, #mobile-security, #digital-identity, #digital-rights-advocacy, #data-privacy, #digital-human-rights, and more.

This story was written by: @jiniuspark. Learn more about this writer by checking @jiniuspark's about page, and for more stories, please visit hackernoon.com.

Amnesia is an early research concept for disposable one-to-one messaging. Instead of attaching disappearing messages to permanent accounts, it explores temporary identities, one-time invitations, proof-bound session credentials, minimal relay knowledge, no intentional message archive, and an explicit “End and Forget” lifecycle. The first prototype would prove a narrow claim: two temporary clients can connect, exchange encrypted text, terminate the session, and fail to recover the previous application-controlled identity or conversation state. It cannot promise invisibility, defeat compromised devices, or guarantee perfect forensic erasure. The larger goal is open civil technology that leaves less identity, history, and social-graph data available to corporations, governments, abusers, or anyone who gains access later.

AI in Cybersecurity Is Not What Vendors Are Selling You

HackerNoon — Tue, 14 Jul 2026 09:01:33 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/ai-in-cybersecurity-is-not-what-vendors-are-selling-you.
Where AI actually works in cybersecurity — and where it fails. A practitioner's view on scale vs. judgement problems, based on 8.2B+ leaked credentials.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #ai-cybersecurity, #dark-web-intelligence, #credential-exposure-monitoring, #phishing-behavioral-analytics, #ai-incident-response, #cybersecurity-automation, #ml-threat-detection, #cybersecurity-ai, and more.

This story was written by: @gnsac. Learn more about this writer by checking @gnsac's about page, and for more stories, please visit hackernoon.com.

AI works in cybersecurity when the problem is scale — classifying dark web content, detecting reuse patterns across billions of credentials, parsing stealer logs. It fails when the problem is judgement: autonomous incident response in critical infrastructure, zero-day detection drowning in base-rate false positives. Most "AI-powered" products are rules and regex under a dashboard. Buy outcomes, not labels — and keep humans in the loop where mistakes have physical consequences.

Controlling Scripts With Content Security Policy: Hashes, Nonces, and strict-dynamic

HackerNoon — Tue, 14 Jul 2026 09:01:31 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/controlling-scripts-with-content-security-policy-hashes-nonces-and-strict-dynamic.
Learn how CSP script-src controls what scripts can be executed with allowlists, hashes, nonces, strict-dynamic, script-src-elem and script-src-attr.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #content-security-policy, #csp, #web-security, #browser-security, #xss, #javascript-security, #xss-prevention, #hackernoon-top-story, and more.

This story was written by: @darevskaya. Learn more about this writer by checking @darevskaya's about page, and for more stories, please visit hackernoon.com.

Content Security Policy’s script-src directive controls which scripts a page can run, but how you use it depends on the case. Origin allowlists are simple, but they trust every script from an allowed domain. Hashes work well for static inline scripts. Nonces are better for dynamic HTML generated per response. strict-dynamic helps when a trusted script needs to load other scripts. For legacy inline event handlers, script-src-elem and script-src-attr can make CSP adoption more gradual.

Attested TLS Was Supposed to Be the Last Trust Boundary. It Isn't. Formal Methods Show How.

HackerNoon — Mon, 13 Jul 2026 09:01:29 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/attested-tls-was-supposed-to-be-the-last-trust-boundary-it-isnt-formal-methods-show-how.
Formal methods researchers at TU Dresden found a relay attack in attested TLS. It hits Meta, Cocos AI, Edgeless Systems, and three IETF drafts.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #cyber-threats, #confidential-computing, #cve, #open-source, #ietf, #ai-cyber-security, #hackernoon-top-story, and more.

This story was written by: @salkimmich. Learn more about this writer by checking @salkimmich's about page, and for more stories, please visit hackernoon.com.

A relay attack breaks attested TLS, the mechanism confidential computing uses to prove a secure cloud enclave is genuine. Formal verification found it in Meta's WhatsApp privacy system, Edgeless Systems' Contrast, Cocos AI, and three IETF draft standards, none of which a prior manual security audit caught. It's tracked as CVE-2026-33697 (CVSS 7.5), with three more related CVEs near 9.1 still in disclosure.

87% of Companies Were Hit by an AI Cyber Attack. The Fix Is a Skills Problem, Not a Headcount One

HackerNoon — Sat, 11 Jul 2026 09:00:41 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/87percent-of-companies-were-hit-by-an-ai-cyber-attack-the-fix-is-a-skills-problem-not-a-headcount-one.
AI-driven attacks hit 87% of organizations last year. Why the cybersecurity bottleneck is now skills, not headcount and how AI security became its own discipl
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This story was written by: @ishanpandey. Learn more about this writer by checking @ishanpandey's about page, and for more stories, please visit hackernoon.com.

Cybercrime is on track to cost $10.5T a year; 87% of organizations were hit by an AI-driven attack in the past year, and only about 26% feel confident they can detect one. The binding constraint is people, not tools. In 2025, ISC2 stopped publishing its long-running "4.7M-person workforce gap" and reframed the problem as skills: 95% of teams report a gap and AI is the #1 most-needed skill (41%), for the second year running. AI security is professionalizing into its own discipline. CompTIA's SecAI+ (launched Feb 2026) is the first certification built solely for it — weighted 40% toward hands-on defense of AI systems, not theory. The under-covered frontier is insider / "shadow AI" risk — staff pasting sensitive data into AI tools — which CIAT's Brad Smith flags as a top challenge alongside AI-powered phishing. Employers want "force multipliers," not replacements; the durable skill is the dual ability to defend AI systems and deploy AI defensively, with the governance literacy to manage the risk. Cybercrime is on track to cost $10.5T a year; 87% of organizations were hit by an AI-driven attack in the past year, and only about 26% feel confident they can detect one. The binding constraint is people, not tools. In 2025, ISC2 stopped publishing its long-running "4.7-million-person workforce gap" and reframed the problem as skills — 95% of teams report a gap, and AI is the #1 most-needed skill (41%). AI security is professionalizing into its own discipline: CompTIA's SecAI+ (Feb 2026) is the first certification built solely for it, weighted 40% toward hands-on defense of AI systems. The under-covered frontier is insider / "shadow AI" risk — staff pasting sensitive data into AI tools — which CIAT's Brad Smith flags as a top challenge alongside AI-powered phishing. Employers want force multipliers, not replacements: the durable skill is defending AI systems and deploying AI defensively, with the governance literacy to manage the risk.

Why Google Is Replacing RSA With ECDSA (And Why It Isn't About Quantum)

HackerNoon — Thu, 09 Jul 2026 09:01:07 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/why-google-is-replacing-rsa-with-ecdsa-and-why-it-isnt-about-quantum.
Google Trust Services shifts some Google services to ECDSA leaf certificates by default in Q2 2026. Classical cleanup, not PQC: how TLS migrates in layers.
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This story was written by: @0xlooptheory. Learn more about this writer by checking @0xlooptheory's about page, and for more stories, please visit hackernoon.com.

Google Trust Services announced that a number of Google services will move from RSA to ECDSA leaf certificates by default in Q2 2026. ECDSA is not quantum-safe; under standard resource estimates it falls to a smaller quantum computer than RSA-2048. The move still makes sense: TLS migrates in layers, post-quantum key exchange is already the default in major browsers, and certificate migration is blocked on signature sizes and ecosystem constraints that Google plans to address with Merkle Tree Certificates against a stated 2029 timeline.

From Open Port to Compromised Host: The Complete Nmap Offensive Workflow

HackerNoon — Thu, 09 Jul 2026 09:01:05 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/from-open-port-to-compromised-host-the-complete-nmap-offensive-workflow.
SMB enumeration to CVE mapping to Metasploit integration, evasion, and pivot scanning — the complete Nmap offensive workflow in one continuous chain.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #nmap, #metasploit, #penetration-testing, #cybersecurity, #ethical-hacking, #smb, #network-security, #offensive-security, and more.

This story was written by: @RoshanRajbanshi_frqj97tc. Learn more about this writer by checking @RoshanRajbanshi_frqj97tc's about page, and for more stories, please visit hackernoon.com.

Open ports aren't the finish line — they're the starting point. This covers the full offensive chain: enumerating SMB before touching credentials, mapping version strings to CVEs across three verification methods, piping scan data straight into Metasploit's database, building an evasion profile that targets specific detection methods instead of guessing, and reaching internal networks through a pivot using three different techniques depending on what's available. Every example ran against real lab targets with full output included.

Nvidia China Chip Curbs Accelerate Domestic AI Substitution

HackerNoon — Mon, 06 Jul 2026 09:00:37 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/nvidia-china-chip-curbs-accelerate-domestic-ai-substitution.
China is accelerating AI chip substitution while the U.S. intensifies control over frontier AI model access.
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This story was written by: @ttassos. Learn more about this writer by checking @ttassos's about page, and for more stories, please visit hackernoon.com.

China is accelerating AI chip substitution while the U.S. intensifies control over frontier AI model access.

205 Blog Posts To Learn About Vpn

HackerNoon — Sun, 05 Jul 2026 09:01:05 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/205-blog-posts-to-learn-about-vpn.
Learn everything you need to know about Vpn via these 205 free HackerNoon blog posts.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #vpn, #learn, #learn-vpn, and more.

This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

62 Blog Posts To Learn About Social Engineering

HackerNoon — Sun, 05 Jul 2026 09:01:02 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/62-blog-posts-to-learn-about-social-engineering.
Learn everything you need to know about Social Engineering via these 62 free HackerNoon blog posts.
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This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

Frontier Model Access, China’s Chip Substitution, and the Power Bottleneck Reframe the AI Stack

HackerNoon — Sat, 04 Jul 2026 09:00:32 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/frontier-model-access-chinas-chip-substitution-and-the-power-bottleneck-reframe-the-ai-stack.
AI geopolitics is shifting due to controlled frontier model access, China's pivot to domestic AI chips amid export controls, and rising electricity demands s...
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This story was written by: @ttassos. Learn more about this writer by checking @ttassos's about page, and for more stories, please visit hackernoon.com.

AI geopolitics is shifting due to controlled frontier model access.

The Month AI Governance Became Operational

HackerNoon — Sat, 04 Jul 2026 09:00:30 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/the-month-ai-governance-became-operational.
June 2026 showed AI geopolitics shifting from model performance to control over access, infrastructure, cybersecurity, and national capacity.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #databases, #machine-learning, #large-language-models, #legal, #technology, #model-access, #model-distillation, and more.

This story was written by: @ttassos. Learn more about this writer by checking @ttassos's about page, and for more stories, please visit hackernoon.com.

June 2026 showed AI geopolitics shifting from model performance to control over access, infrastructure, cybersecurity, and national capacity.

500 Blog Posts To Learn About Privacy

HackerNoon — Fri, 03 Jul 2026 09:00:59 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/500-blog-posts-to-learn-about-privacy.
Learn everything you need to know about Privacy via these 500 free HackerNoon blog posts.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #privacy, #learn, #learn-privacy, and more.

This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

Dawnguard Raises $6.3M Led by BNVT Capital as AI-Code Vulnerabilities Jump 13x in a Quarter

HackerNoon — Fri, 03 Jul 2026 09:00:57 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/dawnguard-raises-$63m-led-by-bnvt-capital-as-ai-code-vulnerabilities-jump-13x-in-a-quarter.
Dawnguard took its security architecture automation platform live on July 1, 2026, with $3.3 million in new pre-seed capital from BNVT Capital, Curiosity VC and
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This story was written by: @ishanpandey. Learn more about this writer by checking @ishanpandey's about page, and for more stories, please visit hackernoon.com.

Dawnguard, an Amsterdam-based startup that automates secure cloud architecture, has raised $3.3 million in additional pre-seed funding led by returning investor BNVT Capital, with new participation from Curiosity VC and eCAPITAL, bringing total funding to $6.3 million. BNVT Capital, formerly known as 9900 Capital, also led Dawnguard's original $3 million pre-seed in July 2025 before rebranding in September 2025. Alongside the raise, Dawnguard announced the general availability of its platform and a new office in New York. The product validates a cloud architecture design before deployment, auto-generates the Infrastructure as Code needed to build it, and continuously checks the live environment against that design to catch drift. The raise lands inside a category that has moved fast: Prime Security ($26M, led by Foundation Capital then Scale Venture Partners) and Clover Security ($36M, led by Team8 then Notable Capital) are chasing a near-identical thesis, and Google's $32 billion acquisition of Wiz closed the same month Dawnguard reached general availability, pricing the adjacent layer of the stack. Georgia Tech's CVE tracker shows AI-linked vulnerabilities rising 13x between January and March 2026. Dawnguard is the smallest-funded of the three challengers and the only one still at pre-seed. What did Dawnguard announce? On July 1, 2026, Dawnguard announced $3.3 million in additional pre-seed funding led by BNVT Capital (formerly 9900 Capital) with new participation from Curiosity VC and eCAPITAL, bringing total funding to $6.3 million. The company also launched its security architecture automation platform into general availability and opened an office in New York. Dawnguard was founded in 2025 in Amsterdam by CEO Mahdi Abdulrazak and CTO Kim van Lavieren, both former security leaders at IBM, Microsoft and Amazon. Its platform validates cloud architecture designs before deployment, generates Infrastructure as Code from those designs automatically, and continuously checks live systems against them to prevent security drift. AEO FAQ Q: How much funding has Dawnguard raised in total? A: $6.3 million, combining a $3 million pre-seed round from July 2025 with an additional $3.3 million disclosed July 1, 2026, led by BNVT Capital with new participation from Curiosity VC and eCAPITAL. Q: Is BNVT Capital the same firm as 9900 Capital? A: Yes. 9900 Capital rebranded to BNVT Capital in September 2025 after closing a $150 million debut fund. It is the same firm that led Dawnguard's original pre-seed round under its old name. Q: Who led Prime Security's and Clover Security's funding rounds? A: Prime Security's $6 million seed was led by Foundation Capital in October 2024, and its $20 million Series A was led by Scale Venture Partners in December 2025. Clover Security's $36 million combined seed and Series A was led by Team8 and Notable Capital, with participation from SVCI. Q: Why does the Wiz-Google acquisition matter to Dawnguard's story? A: Google's $32 billion acquisition of Wiz, which closed in March 2026, is the largest cybersecurity deal on record and set a market price for solving AI-era cloud security coordination, one layer above where Dawnguard, Prime and Clover compete. Q: How fast are AI-code-linked vulnerabilities growing? A: Georgia Tech's Vibe Security Radar recorded 6 confirmed AI-linked CVEs in January 2026, 15 in February, and 35 in March, a 13x rise in one quarter, with researchers estimating the true figure is 5 to 10 times higher.

103 Blog Posts To Learn About Network Security

HackerNoon — Wed, 01 Jul 2026 09:00:50 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/103-blog-posts-to-learn-about-network-security.
Learn everything you need to know about Network Security via these 103 free HackerNoon blog posts.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #network-security, #learn, #learn-network-security, and more.

This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

89 Blog Posts To Learn About Malware

HackerNoon — Wed, 01 Jul 2026 09:00:47 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/89-blog-posts-to-learn-about-malware.
Learn everything you need to know about Malware via these 89 free HackerNoon blog posts.
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The Machine Identity Era Has Already Started

HackerNoon — Tue, 30 Jun 2026 09:01:17 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/the-machine-identity-era-has-already-started.
Machines now outnumber humans 80:1 in enterprise systems. The Drift breach proved it. Why is cybersecurity still training people to spot phishing?
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This story was written by: @drechi. Learn more about this writer by checking @drechi's about page, and for more stories, please visit hackernoon.com.

Machines now outnumber humans 80:1 in enterprise systems. The Drift breach proved it. Why is cybersecurity still training people to spot phishing?

Static Analysis of Linux Malware Captured by a Cowrie Honeypot

HackerNoon — Tue, 30 Jun 2026 09:01:14 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/static-analysis-of-linux-malware-captured-by-a-cowrie-honeypot.
A defensive, static deep dive into the Linux malware a honeypot captured after weak logins: fake daemons, persistent backdoors, relay abuse, and detections.
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When a bot thinks it has logged into a small energy device, it installs commodity Linux malware. This is a static, defensive breakdown of what a honeypot captured after weak SSH and Telnet logins: fake-daemon binaries that masquerade as sshd and xinetd, a statically linked bot, a backdoor with three independent persistence mechanisms, and a self-deleting campaign visible only through commands. The payloads are ordinary, but the chain is the lesson: weak login, host fingerprint, payload staging, persistence, and reach-out. Default-deny egress breaks the last step.

178 Blog Posts To Learn About Information Security

HackerNoon — Mon, 29 Jun 2026 09:00:48 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/178-blog-posts-to-learn-about-information-security.
Learn everything you need to know about Information Security via these 178 free HackerNoon blog posts.
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This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

Policy-Driven Security and Governance in Kubernetes AI Platforms

HackerNoon — Mon, 29 Jun 2026 09:00:46 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/policy-driven-security-and-governance-in-kubernetes-ai-platforms.
Explore how policy-driven security in Kubernetes AI platforms enforces governance using RBAC, Kyverno, OPA, and CI/CD automation to build secure AI systems.
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This story was written by: @ppahuja. Learn more about this writer by checking @ppahuja's about page, and for more stories, please visit hackernoon.com.

Policy-driven security in Kubernetes AI platforms enables organizations to enforce governance automatically across AI workloads, including LLMs, RAG systems, and vector databases. By using RBAC, network policies, admission controllers, Kyverno, and OPA Gatekeeper, teams can implement policy-as-code to ensure consistent security, prevent misconfigurations, and maintain continuous compliance. Integrating these controls into CI/CD pipelines helps shift security left and reduces risks in fast-moving AI environments.

151 Blog Posts To Learn About Encryption

HackerNoon — Sun, 28 Jun 2026 09:01:00 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/151-blog-posts-to-learn-about-encryption.
Learn everything you need to know about Encryption via these 151 free HackerNoon blog posts.
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This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

81 Blog Posts To Learn About Fraud

HackerNoon — Sun, 28 Jun 2026 09:00:58 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/81-blog-posts-to-learn-about-fraud.
Learn everything you need to know about Fraud via these 81 free HackerNoon blog posts.
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This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.

DeepSeek-v4-Fable: A Security-Focused AI Agent for CTFs

HackerNoon — Sat, 27 Jun 2026 09:00:50 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/deepseek-v4-fable-a-security-focused-ai-agent-for-ctfs.
DeepSeek-v4-Fable is a specialized AI agent for authorized security research, CTF solving, and sandboxed exploit planning.
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This story was written by: @aimodels44. Learn more about this writer by checking @aimodels44's about page, and for more stories, please visit hackernoon.com.

DeepSeek-v4-Fable is a specialized AI agent for authorized security research, CTF solving, and sandboxed exploit planning.

Every AI Agent Is a Non-Human Identity That Needs Governance

HackerNoon — Sat, 27 Jun 2026 09:00:48 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/every-ai-agent-is-a-non-human-identity-that-needs-governance.
AI agents create new security identities. Learn why identity lifecycle management, not prompt engineering, is the foundation of secure agentic AI.
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This story was written by: @bhaskarsecuresai. Learn more about this writer by checking @bhaskarsecuresai's about page, and for more stories, please visit hackernoon.com.

The article argues that the biggest security challenge in agentic AI isn't prompt injection but identity management. By treating AI agents as first-class security principals with scoped, short-lived credentials, proper lifecycle management, and auditable delegation, organizations can apply proven identity engineering practices to reduce AI risk.

Anthropic's Mythos Identifies Vulnerabilities in Highly Sensitive U.S. Government Systems

HackerNoon — Fri, 26 Jun 2026 09:01:12 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/anthropics-mythos-identifies-vulnerabilities-in-highly-sensitive-us-government-systems.
Anthropic's Mythos AI exposed U.S. government cyber vulnerabilities, highlighting a debate over controlling advanced AI access as a national security issue.
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This story was written by: @ttassos. Learn more about this writer by checking @ttassos's about page, and for more stories, please visit hackernoon.com.

Anthropic's Mythos AI exposed U.S. government cyber vulnerabilities, highlighting a debate over controlling advanced AI access as a national security issue.

How Bhargava Reddy Maddireddy Bridges Cybersecurity Research and Enterprise Security

HackerNoon — Fri, 26 Jun 2026 09:01:10 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-bhargava-reddy-maddireddy-bridges-cybersecurity-research-and-enterprise-security.
Meet cybersecurity researcher Bhargava Reddy Maddireddy and explore his work spanning AI, peer review, and enterprise cyber defense.
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This story was written by: @nicafurs. Learn more about this writer by checking @nicafurs's about page, and for more stories, please visit hackernoon.com.

This profile explores Bhargava Reddy Maddireddy's contributions to cybersecurity through research, peer review, editorial leadership, and enterprise security, highlighting how academic work can influence practical cyber defense.

How to Secure a Self-Hosted CI/CD Runner on a VPS Without Turning It Into a Backdoor

HackerNoon — Thu, 25 Jun 2026 09:01:11 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-to-secure-a-self-hosted-cicd-runner-on-a-vps-without-turning-it-into-a-backdoor.
Learn how to secure a self-hosted CI/CD runner on a VPS: harden Linux, isolate jobs, protect secrets, limit Docker risks, and monitor resources.
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A self-hosted CI/CD runner on a VPS should be treated like part of your production delivery chain, not just a build machine. Before using it, harden the server, disable risky SSH access, limit inbound traffic, isolate runners by trust level, keep secrets out of the VPS, avoid giving Docker jobs excessive privileges, monitor disk/CPU/memory, plan Docker cleanup, and document recovery steps. The core rule is simple: never let untrusted code run on a runner that can access production secrets or infrastructure.

Nobody Hacked the Firewall: Inside the Year Identity Became the Whole Battlefield

HackerNoon — Thu, 25 Jun 2026 09:01:08 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/nobody-hacked-the-firewall-inside-the-year-identity-became-the-whole-battlefield.
Identity, not firewalls, is now the real cybersecurity perimeter, as state actors and social engineering groups exploit trust to breach organizations.
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This story was written by: @drechi. Learn more about this writer by checking @drechi's about page, and for more stories, please visit hackernoon.com.

Modern cyberattacks are no longer focused on breaking firewalls or exploiting network vulnerabilities — they target identity itself. Campaigns like Salt Typhoon show how nation-state actors can remain undetected inside telecom infrastructure for years by exploiting trusted systems like lawful intercept backdoors. Meanwhile, groups like Scattered Spider achieve similar impact using pure social engineering, tricking help desk staff into resetting MFA and granting access without any malware. Together, these threats reveal a fundamental shift in cybersecurity: the weakest link is no longer the system, but the moment human or process trust is granted to a false identity.

Your Build Pipeline Is the New Perimeter, and It Just Learned to Replicate Itself

HackerNoon — Wed, 24 Jun 2026 09:01:04 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/your-build-pipeline-is-the-new-perimeter-and-it-just-learned-to-replicate-itself.
CI/CD pipelines have become active attack surfaces, as supply chain worms and token theft turn software delivery into self-replicating malware vectors.
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This story was written by: @drechi. Learn more about this writer by checking @drechi's about page, and for more stories, please visit hackernoon.com.

Modern CI/CD pipelines are no longer passive delivery systems — they’ve become high-value attack surfaces where trust assumptions are routinely exploited. Incidents like the tj-actions GitHub Actions compromise show how mutable version tags can silently redirect trusted workflows into executing attacker-controlled code. Meanwhile, npm supply-chain worms such as Shai-Hulud demonstrate a more advanced threat: self-replicating malware that propagates through stolen publish tokens, harvesting credentials and reinfecting downstream systems without further human input. Across 2025–2026, the trend is clear: open-source ecosystems (npm, PyPI, GitHub Actions) are being hit by fast-moving, automation-driven attacks where compromise windows shrink from days to minutes. The result is a structural shift in security posture — where dependency integrity, token hygiene, and CI/CD hardening are no longer best practices, but survival requirements.

Trust by Default: The Five API Mistakes Driving Every Major Breach Right Now

HackerNoon — Wed, 24 Jun 2026 09:01:02 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/trust-by-default-the-five-api-mistakes-driving-every-major-breach-right-now.
Five recurring API security flaws behind modern breaches—BOLA, broken auth, data exposure, SSRF, and inventory issues—explained via real-world cases.
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This story was written by: @drechi. Learn more about this writer by checking @drechi's about page, and for more stories, please visit hackernoon.com.

Most API breaches don’t come from advanced hacking techniques—they come from repeated, basic design failures. Across recent real-world incidents, five issues dominate: broken object-level authorization (BOLA), weak authentication, excessive data exposure, misconfiguration/SSRF, and poor API inventory management. These problems persist because APIs are built to trust requests by default. Until that changes, the same security failures will continue causing large-scale breaches across industries.

Building a Fake Solar Plant for Cybersecurity Research — Part 3

HackerNoon — Sat, 20 Jun 2026 09:00:58 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/building-a-fake-solar-plant-for-cybersecurity-research-part-3.
Defensive lessons from an exposed ICS/IoT honeypot: keep OT protocols private, block egress, kill default credentials, segment networks, and log behaviour.
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This story was written by: @arizh0. Learn more about this writer by checking @arizh0's about page, and for more stories, please visit hackernoon.com.

An exposed energy-themed honeypot gets discovered in under an hour, then faces continuous brute force, web scanning, and protocol-aware Modbus reconnaissance, with zero write or control attempts. Part 3 turns those findings into defence. The same structural controls that stop commodity scanning also shrink the targeted tail: keep OT protocols and management planes off the public internet, block egress by default, remove default credentials, segment IT from OT, and log behaviour instead of bare port contact. Most of it is network architecture, not detection wizardry.

Agentic AI: The Next Cybersecurity Challenge

HackerNoon — Sat, 20 Jun 2026 09:00:56 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/agentic-ai-the-next-cybersecurity-challenge.
Agentic AI can reason, plan, and act—but it also creates new security risks that traditional governance models were never built to handle.
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This story was written by: @vinit06. Learn more about this writer by checking @vinit06's about page, and for more stories, please visit hackernoon.com.

Agentic AI can reason, plan, and act—but it also creates new security risks that traditional governance models were never built to handle.

SpyCloud Report Finds Phishing Attacks Surge as Employee Data Is Exposed at 86% of Fortune 100

HackerNoon — Thu, 18 Jun 2026 09:00:31 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/spycloud-report-finds-phishing-attacks-surge-as-employee-data-is-exposed-at-86percent-of-fortune-100.
New SpyCloud research highlights the expansion of phishing attacks as AI and phishing-as-a-service fuel enterprise targeting.
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This story was written by: @cybernewswire. Learn more about this writer by checking @cybernewswire's about page, and for more stories, please visit hackernoon.com.

The Companies Rewiring the Future of AI

HackerNoon — Thu, 18 Jun 2026 09:00:29 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/the-companies-rewiring-the-future-of-ai.
Training a frontier AI model means convincing hundreds of thousands of chips to act like one giant computer. The hard part isn't the chips — it's the wiring.
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This story was written by: @zbruceli. Learn more about this writer by checking @zbruceli's about page, and for more stories, please visit hackernoon.com.

Training a frontier AI model means convincing hundreds of thousands of chips to act like one giant computer. The hard part isn't the chips — it's the wiring.

GitGuardian Announces Endpoint Protection

HackerNoon — Wed, 17 Jun 2026 09:01:13 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/gitguardian-announces-endpoint-protection.
Across software supply chain incidents and SaaS compromises over the past 12 months, the pattern is the same every time: attackers land on a developer or privil
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AI Censorship Vs. VPN Arms Race

HackerNoon — Wed, 17 Jun 2026 09:01:11 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/ai-censorship-vs-vpn-arms-race.
VPN Providers Race to Counter AI-Driven Internet Censorship as Filtering Systems Expand
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This story was written by: @planetvpn. Learn more about this writer by checking @planetvpn's about page, and for more stories, please visit hackernoon.com.

Planet VPN said it has upgraded its StarGuard protocol, aiming to make VPN connections harder to detect in countries where deep packet inspection (DPI), traffic classification and active probing are widely used.

Anatomy of a Critical SQL Injection: Lessons From CVE-2020-24932

HackerNoon — Tue, 16 Jun 2026 09:01:01 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/anatomy-of-a-critical-sql-injection-lessons-from-cve-2020-24932.
A look at CVE-2020-24932, the critical SQL injection in Complaint Management System v1.0 that allowed full database disclosure through a single parameter.
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This story was written by: @elobeid. Learn more about this writer by checking @elobeid's about page, and for more stories, please visit hackernoon.com.

CVE-2020-24932 was a critical SQL injection vulnerability in Complaint Management System v1.0 that stemmed from directly embedding user input into a database query. This article examines the root cause, disclosure timeline, impact, and remediation strategies, while highlighting how insecure tutorial code can propagate into real-world deployments.