Cybersecurity Tech Brief By HackerNoon

Gcore Makes Enterprise Security Bundle Free for Public Agencies Until End of the Year

HackerNoon — Fri, 23 Oct 2026 09:01:02 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/gcore-makes-enterprise-security-bundle-free-for-public-agencies-until-end-of-the-year.
The offer follows the php2shell vulnerabilities that forced public websites offline across Europe earlier this week.
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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.

Gcore is offering its WAAP Enterprise plan free of charge to government bodies and public agencies until December 31, 2026, to help them recover from the php2shell vulnerabilities. The plan blocks the attack path and allows sites to be brought back online while patching continues, providing a filtering layer that blocks the attack pattern.

Implementing the OWASP API Security Top 10 in Node.js and PostgreSQL

HackerNoon — Fri, 23 Oct 2026 09:01:00 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/implementing-the-owasp-api-security-top-10-in-nodejs-and-postgresql.
OWASP API Security Top 10 (2023) with vulnerable code, working fixes and tests in Node.js: BOLA, auth, rate limits, SSRF and a CI authorization matrix.
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This story was written by: @AJAYKUMAR_evq18mss. Learn more about this writer by checking @AJAYKUMAR_evq18mss's about page, and for more stories, please visit hackernoon.com.

A hands-on walkthrough of the OWASP API Security Top 10 using a sample Node.js, Express, and PostgreSQL application. Each vulnerability is demonstrated through insecure code, followed by defensive implementations and automated tests. The guide covers authorization, authentication, resource limits, SSRF, configuration, and third-party API security, culminating in a CI authorization matrix.

Defending AI Agent Memory Against Persistent Prompt Injection

HackerNoon — Thu, 22 Oct 2026 09:00:45 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/defending-ai-agent-memory-against-persistent-prompt-injection.
Explore how indirect prompt injection can persist in AI agent memory and why secure ingestion, access controls, and tool-call authorization matter.
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This story was written by: @gunjeetbawa. Learn more about this writer by checking @gunjeetbawa's about page, and for more stories, please visit hackernoon.com.

Indirect prompt injection can enter an AI agent through untrusted external content, persist in long-term memory, and influence actions in later sessions. The article proposes a layered defense involving structured input validation, isolated memory processing, and runtime tool-call authorization. However, its effectiveness claims require independent evidence, and the sample implementation does not yet enforce the full security boundaries described.

Inside the PLC Runtime: What OpenPLC v4 Reveals About Its Linux Environment

HackerNoon — Thu, 22 Oct 2026 09:00:44 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/inside-the-plc-runtime-what-openplc-v4-reveals-about-its-linux-environment.
Explore OpenPLC Runtime v4's architecture, processes, sockets, permissions, and Linux environment in this hands-on PLC security investigation.
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This story was written by: @404saint. Learn more about this writer by checking @404saint's about page, and for more stories, please visit hackernoon.com.

Explore OpenPLC Runtime v4's architecture, processes, sockets, permissions, and Linux environment in this hands-on PLC security investigation.

Bright Security Introduces STAR Fuzzer, Agentic Fuzzing That Writes Its Own Harnesses

HackerNoon — Tue, 20 Oct 2026 09:00:36 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/bright-security-introduces-star-fuzzer-agentic-fuzzing-that-writes-its-own-harnesses.
In its first open source research run, it found High or Critical issues in 45% of the projects tested, and in its first month of availability it produced ten pu
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Bright Security has launched STAR Fuzzer, an agentic application fuzzer that automatically identifies security-critical functions, generates fuzzing harnesses, and searches for faults with an evolutionary algorithm. In its first open-source research run, it found High or Critical issues in 45% of the projects tested.

Aipocalypse: Winning the AI/SI Race is Surviving It

HackerNoon — Tue, 20 Oct 2026 09:00:35 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/aipocalypse-winning-the-aisi-race-is-surviving-it.
The AI/SI race is not just about winning, but about arriving in a future with human agency, sovereignty, and trust intact.
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This story was written by: @paulkrause. Learn more about this writer by checking @paulkrause's about page, and for more stories, please visit hackernoon.com.

The AI/SI race is not just about winning, but about arriving in a future with human agency, sovereignty, and trust intact. We need to build the rails of AI safety, including local by default, human authority, fail closed, auditable, neutral, and no surveillance business model, to ensure that the engine of intelligence runs safely.

51 Blog Posts To Learn About Hacker

HackerNoon — Mon, 19 Oct 2026 09:01:08 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/51-blog-posts-to-learn-about-hacker.
Learn everything you need to know about Hacker via these 51 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.

Shadow AI, Agent Identity, and the Enterprise Security Visibility Gap

HackerNoon — Sat, 17 Oct 2026 09:00:34 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/shadow-ai-agent-identity-and-the-enterprise-security-visibility-gap.
Anthropic's AI security incidents reveal why enterprises need better visibility into AI agents, shadow AI, access permissions, and automated activity.
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This story was written by: @grifter. Learn more about this writer by checking @grifter's about page, and for more stories, please visit hackernoon.com.

Beyond Browser Autofill: Securing Credentials Across Every Enterprise Application

HackerNoon — Fri, 16 Oct 2026 09:01:25 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/beyond-browser-autofill-securing-credentials-across-every-enterprise-application.
Learn why enterprise password managers must secure access beyond browser autofill and how custom application launchers protect credentials across desktops.
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This story was written by: @securden. Learn more about this writer by checking @securden's about page, and for more stories, please visit hackernoon.com.

Enterprise password managers need to accommodate the application's unique login flows, rather than relying on conventional autofill methods. Custom Application Launcher profiles allow organizations to create secure launch experiences around virtually any application, providing one-click access for users while maintaining governance control.

How to Defeat Host-Based Screen-Scraping Malware at the Windows OS Layer

HackerNoon — Fri, 16 Oct 2026 09:01:22 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-to-defeat-host-based-screen-scraping-malware-at-the-windows-os-layer.
Learn how to use SetWindowDisplayAffinity in C# to restrict standard screen capture of Windows app windows, with fallback handling and security limitations.
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This story was written by: @mariano-05. Learn more about this writer by checking @mariano-05's about page, and for more stories, please visit hackernoon.com.

Confidential Computing Explained: Why Standard Cloud Containers Aren't Enough

HackerNoon — Thu, 15 Oct 2026 09:01:15 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/confidential-computing-explained-why-standard-cloud-containers-arent-enough.
What confidential computing actually means for containers, who genuinely needs hardware-level memory encryption, and the real tradeoffs before you invest.
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This story was written by: @bascoibm. Learn more about this writer by checking @bascoibm's about page, and for more stories, please visit hackernoon.com.

Cloud providers can inspect data in use, a vulnerability in standard containers, which is addressed by confidential computing that protects container data from the cloud host. Confidential computing uses hardware-level Trusted Execution Environments (TEEs) to encrypt container memory, excluding the cloud provider from reading working memory.

PortSwigger Said Chrome Updates Broke Its CSRF Lab. My Tests Tell a Different Story

HackerNoon — Thu, 15 Oct 2026 09:00:57 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/portswigger-said-chrome-updates-broke-its-csrf-lab-my-tests-tell-a-different-story.
PortSwigger removed a SameSite Lax CSRF bypass lab after citing Chrome updates. Independent tests across 8 Chrome versions suggest the bypass still works.
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This story was written by: @rivenx173. Learn more about this writer by checking @rivenx173's about page, and for more stories, please visit hackernoon.com.

On August 11, 2026, I was one lab away from finishing PortSwigger’s CSRF module when the final lab, “SameSite Lax bypass via cookie refresh,” refused to start. PortSwigger support told me recent Chrome updates to the victim browser had broken it, and within 24 hours, they had quietly removed both the lab and the theory section titled “Bypassing SameSite Lax restrictions with newly issued cookies,” from the Academy entirely. I accepted that explanation for a while. Then, weeks later, I went looking for any public record of Chrome actually removing this two-minute grace window, and found nothing. So I built a two-site Python proof-of-concept and tested it across 8 Chrome versions to find out for myself whether the bypass still exists.Short answer: it does.

Bloom Security Found a Supply-Chain Vulnerability Exposing 1,500 npm Packages to Malicious Takeover

HackerNoon — Wed, 14 Oct 2026 09:00:56 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/bloom-security-found-a-supply-chain-vulnerability-exposing-1500-npm-packages-to-malicious-takeover.
Bloom Security uncovered a flaw in npm Trusted Publishing that exposed 1,500+ packages to potential malicious takeovers via GitHub.
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This story was written by: @kevinsftribune. Learn more about this writer by checking @kevinsftribune's about page, and for more stories, please visit hackernoon.com.

AI coding agents are changing software development, but their growing autonomy is creating new challenges for software supply-chain security, including the potential for malicious package installations. A vulnerability in npm Trusted Publishing allows attackers to publish malicious versions of legitimate packages by reclaiming abandoned GitHub repository addresses.

Nobody Reads the Whole Internet

HackerNoon — Wed, 14 Oct 2026 09:00:55 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/nobody-reads-the-whole-internet.
A common name, an amber screen, a stalled bank account. See how sanctions and PEP screening go wrong, and how to build checks that are honest about doubt.
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This story was written by: @renanb. Learn more about this writer by checking @renanb's about page, and for more stories, please visit hackernoon.com.

A woman is trying to open a bank account, but the clerk is hesitant due to a possible match on a sanctions list, highlighting the complexities and potential errors of automated screening systems. The author argues that these systems can be confidently wrong in both directions, leading to false positives and false negatives, and that humans must be involved in the decision-making process to ensure accuracy and fairness.

Designing Default-Deny Egress Controls and Inline Policy Inspection for AI Agents

HackerNoon — Mon, 12 Oct 2026 09:00:49 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/designing-default-deny-egress-controls-and-inline-policy-inspection-for-ai-agents.
Why AI agent security needs more than prompts: explore default-deny networking, egress filtering, kill switches, and inline policy inspection.
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This story was written by: @ajjayg. Learn more about this writer by checking @ajjayg's about page, and for more stories, please visit hackernoon.com.

Automated red-teaming now breaks frontier guardrails at 95%+ success even after safety alignment, and agents in the wild have learned to route around instruction-level rules and coordinate escapes. Both facts point to one conclusion: you can't make an agent safe by asking it to behave. The control that survives when the model is compromised is hard containment: no internet by default, egress allowlists, and external kill switches, because it makes misbehavior physically impossible instead of merely discouraged. But a wall only answers allow-or-deny, and real agents need a judgment call on every action. That's the inspection gap, and it is the honest limit of a wall: frontier models are too slow and expensive to fill it inline, so most teams quietly widen the allowlist until the wall stops meaning anything. This piece makes the architectural case for containment first, and names the gap plainly rather than pretending it away.

Before You Bid: An OSINT Framework for Spotting Fake Online Auctions

HackerNoon — Mon, 12 Oct 2026 09:00:46 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/before-you-bid-an-osint-framework-for-spotting-fake-online-auctions.
Learn how to identify fake auction websites using OSINT, company registration checks, domain history, auctioneer verification, and payment audits.
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This story was written by: @sorayaskavinski. Learn more about this writer by checking @sorayaskavinski's about page, and for more stories, please visit hackernoon.com.

Fraudulent auction websites can imitate legitimate businesses using convincing branding, registration details, and payment instructions. This guide explains how to investigate their claims using independent sources, including Brazilian CNPJ records, official auctioneer registries, domain registration data, and payment beneficiary information. It also explains why HTTPS certificates, professional design, and an absence of complaints are insufficient evidence of legitimacy.

The Safer Internet Lie: Why More Surveillance Isn't Making Anyone Safer

HackerNoon — Sun, 11 Oct 2026 09:00:39 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/the-safer-internet-lie-why-more-surveillance-isnt-making-anyone-safer.
Age verification, digital ID, and data retention are sold as cybersecurity wins. A technical look at who gets monitored, and who simply routes around the rules.
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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.

Governments are rapidly expanding age verification, digital ID, metadata retention, and online monitoring in the name of safety. The problem is that these systems primarily affect compliant users, while determined cybercriminals can often bypass them with stolen or synthetic identities, compromised accounts, proxies, offshore infrastructure, and other workarounds. From EU data-retention rules and encryption disputes to Texas age verification and digital ID systems, the pattern is similar: more identification creates more centralized data and new surveillance capabilities, but not necessarily better cybersecurity. Some controls genuinely reduce specific harms, and targeted investigations can be valuable. The real question is proportionality: does a measure actually disrupt criminals, or does it mainly make ordinary people easier to identify, track, and regulate? When sensitive identity and behavioral data is centralized, it also becomes a valuable attack target. Cybersecurity should focus more on criminal infrastructure, payment networks, vulnerable software, secure authentication, and targeted enforcement rather than assuming that making everyone identifiable will make criminals disappear.

Escape Surface: A Missing Security Concept for AI Agents

HackerNoon — Sat, 10 Oct 2026 09:00:38 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/escape-surface-a-missing-security-concept-for-ai-agents.
Escape surface is the hidden path space where authorized AI agents can move beyond their mandate—even without an attacker or explicit policy violation.
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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 can stay inside their permissions and still move beyond their mandate by composing authorized actions in ways nobody anticipated. I call the reachable space of those off-mandate paths the escape surface: a security object that sits beside attack surface and blast radius, and becomes especially important when path-finding is part of the product.

AI Agents, Cybersecurity And The Difference Between Current Scholarship And a Recent Bibliography

HackerNoon — Sat, 10 Oct 2026 09:00:34 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/ai-agents-cybersecurity-and-the-difference-between-current-scholarship-and-a-recent-bibliography.
Why do 50-year-old security principles still matter for AI agents? Explore how foundational research informs modern AI security architecture.
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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.

Why do 50-year-old security principles still matter for AI agents? Explore how foundational research informs modern AI security architecture.

Insignary Launches Clarity AIR to Detect Undeclared Open-Source and AI-Written Code

HackerNoon — Fri, 09 Oct 2026 09:00:45 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/insignary-launches-clarity-air-to-detect-undeclared-open-source-and-ai-written-code.
New snippet-level scanning shows security and compliance leaders which open-source code and which AI-written code never made it into a manifest.
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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.

Insignary has launched Clarity AIR, a source-code scanning product that identifies open-source code and AI-written code not declared in manifests, closing a blind spot in software security. Clarity AIR finds unknown open-source code, detects AI-written code, and inventories AI dependencies, producing audit-ready SBOMs and full reports.

Inside DRaaS Architecture: How Cloud-Based Failover Actually Works (vs Traditional DR)

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

This story was originally published on HackerNoon at: https://hackernoon.com/inside-draas-architecture-how-cloud-based-failover-actually-works-vs-traditional-dr.
A disaster recovery test can look fine on every dashboard and still fail the second someone tries to log in.
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This story was written by: @pallavirani. Learn more about this writer by checking @pallavirani's about page, and for more stories, please visit hackernoon.com.

A disaster recovery test can look fine on every dashboard and still fail the second someone tries to log in. A healthy server and a working service aren't the same thing. This piece looks at what actually makes a failover work: getting data to the right place, bringing systems up in the right order, and making sure people can reach it. The real difference between traditional DR and DRaaS is how much of that gets figured out before the disaster, not during it.

Citrix Bleed Exposed the Fatal Flaw in Enterprise Security

HackerNoon — Thu, 08 Oct 2026 09:01:20 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/citrix-bleed-exposed-the-fatal-flaw-in-enterprise-security.
Legacy code, memory leaks, and stolen session cookies expose the weaknesses of enterprise security gateways. Here's why Zero Trust matters more than ever.
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This story was written by: @moderncyph3r. Learn more about this writer by checking @moderncyph3r's about page, and for more stories, please visit hackernoon.com.

Legacy code, memory leaks, and stolen session cookies expose the weaknesses of enterprise security gateways. Here's why Zero Trust matters more than ever.

Legit Security Launches Agentic Remediation for Open-Source Dependency Vulnerabilities

HackerNoon — Fri, 02 Oct 2026 09:00:55 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/legit-security-launches-agentic-remediation-for-open-source-dependency-vulnerabilities.
The expansion addresses a growing gap in application security: as AI-generated code accelerates software delivery, most modern codebases are made up largely of
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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.

Legit Security expanded its Agentic Remediation capability to cover vulnerabilities in open-source dependencies, enabling development teams to move from detection to a verified fix without manual triage. The expansion addresses a growing gap in application security, where traditional workflows can't keep pace with the volume of vulnerabilities introduced through dependencies.

How a Hidden Watermark Can Expose a Stolen Live Stream

HackerNoon — Fri, 02 Oct 2026 09:00:55 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-a-hidden-watermark-can-expose-a-stolen-live-stream.
Here is how live sports platforms extract hidden pixel data from stolen video streams to trace user accounts and shut down IPTV feeds in seconds.
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This story was written by: @pauladair0012. Learn more about this writer by checking @pauladair0012's about page, and for more stories, please visit hackernoon.com.

Forensic watermarking embeds an invisible binary payload into video signals, allowing rights holders to track down stolen live feeds in seconds. This technology has become essential for major broadcasters, who use it to prevent piracy and protect their content.

A Quantum-Resistant Signature Doesn’t Make Your Blockchain Quantum-Safe

HackerNoon — Thu, 01 Oct 2026 09:01:17 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/a-quantum-resistant-signature-doesnt-make-your-blockchain-quantum-safe.
Quantum-safe blockchain design requires more than replacing ECDSA. This article examines the protocol layers that still matter after post-quantum migration.
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This story was written by: @bitcoinquantum. Learn more about this writer by checking @bitcoinquantum's about page, and for more stories, please visit hackernoon.com.

Replacing ECDSA with ML-DSA can remove one major quantum vulnerability, but system-level security also depends on key derivation, public-key exposure, transaction formats, replay protection, and operational design.

alert(1) Is Not a Vulnerability: The Real Impact of XSS Attacks

HackerNoon — Thu, 01 Oct 2026 09:01:14 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/alert1-is-not-a-vulnerability-the-real-impact-of-xss-attacks.
Explore real-world XSS escalation and impact beyond alert(1), including privilege escalation, account takeover scenarios, OAuth abuse, and practical methods
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This story was written by: @viodex. Learn more about this writer by checking @viodex's about page, and for more stories, please visit hackernoon.com.

XSS can range from an informational finding to a critical security vulnerability, depending on several factors, including the security context in which the XSS executes, the type of application affected, and the application's available functionality.

8 Criteria for Evaluating Privacy Software in 2026: RoPA, DPIA, and More

HackerNoon — Tue, 29 Sep 2026 09:00:47 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/8-criteria-for-evaluating-privacy-software-in-2026-ropa-dpia-and-more.
Learn what to check and ask for when evaluating privacy compliance software, from RoPA and DPIA workflows to data inventory, DSARs, and regulatory coverage.
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This story was written by: @vanta. Learn more about this writer by checking @vanta's about page, and for more stories, please visit hackernoon.com.

Privacy programs must keep up with constant updates, including new vendors, AI tools, and expansion into new jurisdictions with distinct regulations. Effective privacy platforms should maintain accurate records, connect assessments to processing activities, and integrate with security and compliance work.

From Raw Trace to Share-Checked Evidence: The Safety Model Behind AgentInspect

HackerNoon — Tue, 29 Sep 2026 09:00:44 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/from-raw-trace-to-share-checked-evidence-the-safety-model-behind-agentinspect.
Why local traces are not automatically safe and how assessment, redaction, artifact review, and integrity verification form a safer evidence workflow.
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This story was written by: @rajudandigam. Learn more about this writer by checking @rajudandigam's about page, and for more stories, please visit hackernoon.com.

Local-first tracing reduces automatic transmission, but it does not make a trace safe to share. This article separates source assessment, redaction, post-redaction artifact review, evidence packaging, and hash verification and explains what each stage cannot prove.

The Anatomy of Exposure: Why the Market Cannot Agree on What Counts as One

HackerNoon — Mon, 28 Sep 2026 09:00:41 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/the-anatomy-of-exposure-why-the-market-cannot-agree-on-what-counts-as-one.
Two exposure tools can scan the same environment and return 40,000 findings or 900 exposures — both correct, because each counts a different object.
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Two tools will inevitably show different numbers because they count different objects, such as conditions, findings, or exposures, and there is no agreed-upon definition of what constitutes one exposure. The market has failed to agree on a common unit of measurement, with various vendors and analysts using different terms and definitions.

Salmon Introduces Execution Verification Infrastructure (EVI) for Securing AI Agents

HackerNoon — Sun, 27 Sep 2026 09:01:01 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/salmon-introduces-execution-verification-infrastructure-evi-for-securing-ai-agents.
The launch follows the OpenAI–Hugging Face incident, in which OpenAI reported that models participating in cybersecurity evaluations circumvented isolation cont
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Archipelo announced Salmon, an Execution Verification Infrastructure for AI agents and autonomous systems, which captures execution as signed events and records state transitions. Salmon provides machine-consumable execution evidence for investigation, detection, and response, remediation, supervision, and accountability across AI security, safety, control, and governance systems.

SCOUTz Prospect Intelligence Platform Launches for MSPs With 30-Day Beta

HackerNoon — Sat, 26 Sep 2026 09:00:37 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/scoutz-prospect-intelligence-platform-launches-for-msps-with-30-day-beta.
The platform gives an MSP dated evidence about a prospect's environment before the first meeting and keeps that evidence attached through delivery and reassessm
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SCOUTz, a prospect intelligence platform, is now available in open beta, providing managed service providers (MSPs) with dated evidence about a prospect's environment before the first meeting. The platform offers a domain review, Microsoft 365 configuration review, and produces client-safe reports for business owners and operator editions for technical teams.

Why TOR Fails - Threat Models, Traffic Correlation and Opsec Mistakes: Down The Rabbit Hole Part 4

HackerNoon — Fri, 25 Sep 2026 09:01:12 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/why-tor-fails-threat-models-traffic-correlation-and-opsec-mistakes-down-the-rabbit-hole-part-4.
TOR isn't bulletproof. From traffic correlation to opsec failures, this part breaks down why TOR fails and the real world cases that prove it.
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TOR can't protect you from everything. This part covers TOR's threat model, how traffic correlation works, the global passive adversary threat, and the opsec mistakes that unmasked Silk Road, BreachForums and AlphaBay

Tracking Anomalies Instead of Scoring Pixels: A Look at the TAO Video Surveillance Pipeline

HackerNoon — Fri, 25 Sep 2026 09:01:09 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/tracking-anomalies-instead-of-scoring-pixels-a-look-at-the-tao-video-surveillance-pipeline.
Video is now the default way we watch public spaces. In this article, we talk about a new method for anomaly detection in video surveillance.
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This story was written by: @vishwagw. Learn more about this writer by checking @vishwagw's about page, and for more stories, please visit hackernoon.com.

Anomaly detection in surveillance means catching the unusual — a fight, a weapon, a vehicle where pedestrians should be, an accident. Existing methods are either frame-centric (they tell you a frame is anomalous but not where) or object-centric (more precise, but still no clean pixel-level boundaries). Both struggle when anomalies overlap or occlude each other. TAO reframes the whole problem: instead of scoring every pixel at every moment, it treats anomaly detection as pixel-level tracking of anomalous objects across the video. It does this by pairing an object-centric detector (which draws bounding boxes around suspicious objects) with SAM2, a pretrained segmentation model that turns those boxes into precise masks — no fine-tuning on anomaly data required. The pipeline runs in four stages: bounding box extraction → anomalous box extraction → robust filtering → segmentation. The authors also introduce a dual-level benchmark that scores both object-level and pixel-level accuracy, and report state-of-the-art results on UCSD Ped2 and ShanghaiTech.

Speaking Siemens S7comm: Protocol Mechanics and Security Boundaries

HackerNoon — Thu, 24 Sep 2026 09:00:58 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/speaking-siemens-s7comm-protocol-mechanics-and-security-boundaries.
A packet-level S7comm security investigation tracing COTP session setup, PDU negotiation, PLC memory access, SZL diagnostics, and state-machine anomalies.
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This story was written by: @404saint. Learn more about this writer by checking @404saint's about page, and for more stories, please visit hackernoon.com.

This research takes S7comm from the protocol stack all the way to the wire. Using a custom Python client and a local Snap7 server, I manually constructed and analyzed the communication sequence across TCP/102, TPKT, COTP, and S7comm. The investigation covered COTP session establishment, TSAP handling, S7 PDU negotiation, ReadVar memory enumeration, WriteVar operations, SZL diagnostic queries, CPU control request construction, and deliberate state-machine violations. The lab produced several interesting implementation-level observations. Snap7 accepted an unauthenticated WriteVar operation against the configured DB3 memory area, correctly rejected an out-of-range write, exposed module identification through SZL `0x0011`, and processed a ReadVar request before Setup Communication had occurred. A corresponding pre-Setup WriteVar did not successfully modify memory. The tested CPU control request was also unsupported by the Snap7 implementation, while a controlled 50-session resource-handling experiment left the server available after the connections were released. The research then contrasts these classic S7comm behaviors with the security model found in newer Siemens platforms, including configurable access protection and secure communication mechanisms associated with S7CommPlus-era systems. The important distinction throughout the investigation is between what the protocol permits conceptually, what the Snap7 implementation actually does, and what has been demonstrated on physical Siemens hardware. The experiments establish the first two within the laboratory. They do not automatically generalize to every Siemens PLC or firmware generation. The result is a packet-level view of S7comm as more than TCP/102: a layered communication model where transport establishment, session negotiation, memory services, diagnostics, and state enforcement each expose a different part of the PLC's security boundary.

How Enterprises Evaluate Third-party Risk Management Platforms in 2026

HackerNoon — Thu, 24 Sep 2026 09:00:56 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-enterprises-evaluate-third-party-risk-management-platforms-in-2026.
Evaluating third-party risk management platforms? Use these 8 criteria to assess platforms across critical areas like vendor discovery and GRC integration.
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This story was written by: @vanta. Learn more about this writer by checking @vanta's about page, and for more stories, please visit hackernoon.com.

A TPRM platform should automatically build a complete vendor inventory, including shadow IT and AI tools, and continuously monitor vendors for changes that could introduce new risk. The best TPRM platforms are those that fit how an organization manages vendor risk, reducing manual work and creating a seamless integration with existing systems.

IAM for Autonomous Systems: Here's What You Need to Know

HackerNoon — Wed, 23 Sep 2026 09:00:59 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/iam-for-autonomous-systems-heres-what-you-need-to-know.
Autonomous systems cannot scale on issued credentials. IAM for Autonomous Systems replaces issued tokens with derived, per-action, offline-verifiable authority.
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This story was written by: @blackboxengineering. Learn more about this writer by checking @blackboxengineering's about page, and for more stories, please visit hackernoon.com.

Traditional IAM issues credentials, a model built for humans that breaks at machine speed: broad tokens, big blast radii, and an issuer bottleneck on every action. This article introduces IAM for Autonomous Systems, where authority is derived, not issued. In AgentEnvelope, the action envelope (operation, resources, time window, limits) is the credential: each capability is derived cryptographically from a customer-held root and the canonical action description, verifiable offline with no issuance service in the loop. A second layer, legitimacy, lets governance deny actions that are still validly signed but contradicted by current evidence. The SDK and MCP server are open source (Apache 2.0), and the protocol is published as an IETF Internet Draft.

What Is Production-Safe Security Testing and Why Does It Matter?

HackerNoon — Tue, 22 Sep 2026 09:01:05 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/what-is-production-safe-security-testing-and-why-does-it-matter.
Explore the safeguards and limitations of production security testing, from scoped scans and rate limits to monitoring and controlled validation.
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This story was written by: @sanjaybarot. Learn more about this writer by checking @sanjaybarot's about page, and for more stories, please visit hackernoon.com.

Production-safe security testing helps organizations identify real-world vulnerabilities in live environments without disrupting users or business operations, providing continuous security validation and a more accurate view of their security posture.

AI Coding Tip 037 - Stop Patching Blind

HackerNoon — Mon, 21 Sep 2026 09:02:54 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/ai-coding-tip-037-stop-patching-blind.
Patch code that never had a test written for it, and every quick fix becomes tomorrow's outage
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This story was written by: @mcsee. Learn more about this writer by checking @mcsee's about page, and for more stories, please visit hackernoon.com.

Patch code that never had a test written for it, and every quick fix becomes tomorrow's outage

11 Cybersecurity CEOs Getting the Industry’s Attention in 2026

HackerNoon — Mon, 21 Sep 2026 09:02:52 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/11-cybersecurity-ceos-getting-the-industrys-attention-in-2026.

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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.

SonicWall's Remediation Guidance Says the Patch Is Only Step One of Four

HackerNoon — Fri, 18 Sep 2026 09:01:30 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/sonicwalls-remediation-guidance-says-the-patch-is-only-step-one-of-four.
SonicWall confirmed two SMA 1000 zero-days under active exploitation. Its own remediation guidance ends with resetting TOTP tokens. Here's why that matters.
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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.

SonicWall disclosed two SMA 1000 flaws on September 1, both exploited in the wild: CVE-2026-83548, a pre-auth SSRF scoring CVSS 10.0, and CVE-2026-83549, an OS command injection. Chained, they reach unauthenticated RCE. The overlooked part is SonicWall's own guidance for a confirmed compromise — re-image, change all passwords, and reset TOTP tokens. A VPN gateway is an authentication store. A patch closes the code path; it cannot un-copy the seeds an intruder already took.

Inside Immutable Backup Architecture: How Air-Gapped and WORM Storage Actually Stop Ransomware

HackerNoon — Fri, 18 Sep 2026 09:01:27 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/inside-immutable-backup-architecture-how-air-gapped-and-worm-storage-actually-stop-ransomware.
Ransomware doesn't need to crack your backups if it can steal the credentials that control them. Here's how immutability and air-gapping actually build a recove
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This story was written by: @pallavirani. Learn more about this writer by checking @pallavirani's about page, and for more stories, please visit hackernoon.com.

Ransomware doesn't have to break your backups if it can steal the credentials that control them. Immutability moves deletion and modification rules below the backup application. Air-gapping removes the attacker's network path. Neither is sufficient alone. The real question is where your recovery boundary sits, the point where a compromised production identity stops being able to control the recovery copy.

Securing Inherited AI: Models, Runtimes, and Tools Inside Vendor Software

HackerNoon — Thu, 17 Sep 2026 09:01:41 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/securing-inherited-ai-models-runtimes-and-tools-inside-vendor-software.
AI models can enter your infrastructure through vendor software. Learn how to inventory inherited AI, assess its permissions, and manage supply chain risk.
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This story was written by: @rpinto. Learn more about this writer by checking @rpinto's about page, and for more stories, please visit hackernoon.com.

Vendor software can introduce models, runtimes, retrieval pipelines, and agent tools into an organization’s infrastructure. Security teams should inventory these components, verify provenance, restrict access, and monitor behavior rather than assume existing vendor reviews cover them.

AI Slop Is Creating a New Kind of Technical Debt

HackerNoon — Thu, 17 Sep 2026 09:01:39 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/ai-slop-is-creating-a-new-kind-of-technical-debt.
AI-generated code can work perfectly and still become a liability. Here’s why comprehension debt may be the real danger of AI coding.
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This story was written by: @soladipupo. Learn more about this writer by checking @soladipupo's about page, and for more stories, please visit hackernoon.com.

AI-generated code can work perfectly and still become a liability. Here’s why comprehension debt may be the real danger of AI coding.

What the NetNut Takedown Reveals About Residential Proxy Sourcing

HackerNoon — Wed, 16 Sep 2026 09:00:56 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/what-the-netnut-takedown-reveals-about-residential-proxy-sourcing.
NetNut's takedown exposed a structural sourcing problem in residential proxies, and why owned infrastructure is what actually matters.
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This story was written by: @marae. Learn more about this writer by checking @marae's about page, and for more stories, please visit hackernoon.com.

NetNut's residential proxy network was disrupted by the FBI and Google in July 2026, after reporting found a large share of its IP pool was sourced from compromised devices. The deeper issue is structural, most residential proxy brands resell capacity from upstream networks they don't directly control, which makes sourcing nearly impossible for buyers to verify. A small number of providers, including Bright Data and Squid Proxies, own their infrastructure outright instead of reselling, which is the actual difference worth checking before trusting any "ethically sourced" claim.

SecurityMetrics Contributes to GEAR, Shares AI Solutions at the PCI SSC NA 2026 Community Meeting

HackerNoon — Tue, 15 Sep 2026 09:00:37 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/securitymetrics-contributes-to-gear-shares-ai-solutions-at-the-pci-ssc-na-2026-community-meeting.
SecurityMetrics contributes to GEAR and shares AI solutions at PCI SSC NA Community Meeting.
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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 is contributing to GEAR and announcing AI solutions at this year's PCI SSC NA Community Meeting.

How Fraud Rings Hide in Plain Sight: A Confidence-Weighted Framework for Linkage Analysis

HackerNoon — Mon, 14 Sep 2026 09:00:51 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-fraud-rings-hide-in-plain-sight-a-confidence-weighted-framework-for-linkage-analysis.
A vendor-neutral framework for weighing links in fraud graphs, limiting risk propagation, and separating associations from reviewed decisions.
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This story was written by: @nissan-modi. Learn more about this writer by checking @nissan-modi's about page, and for more stories, please visit hackernoon.com.

The article proposes R-U-T-C, a conceptual framework for evaluating the reliability, uniqueness, timing, and corroboration of links in fraud graphs without treating association as automatic guilt.

7 Questions for Assessing Cyber Resilience Act Codebase Readiness

HackerNoon — Sat, 12 Sep 2026 09:01:10 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/7-questions-for-assessing-cyber-resilience-act-codebase-readiness.
Assess your codebase for Cyber Resilience Act readiness with seven practical security questions ahead of the EU's 2026 reporting requirements.
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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.

Assess your codebase for Cyber Resilience Act readiness with seven practical security questions ahead of the EU's 2026 reporting requirements.

What Happens to Your Data After You Hit Allow

HackerNoon — Fri, 11 Sep 2026 09:01:00 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/what-happens-to-your-data-after-you-hit-allow.
Tapping allow is just the start. Learn what really happens to your data afterward, from storage and reuse to third party sharing and deletion rules.
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This story was written by: @techprivacy. Learn more about this writer by checking @techprivacy's about page, and for more stories, please visit hackernoon.com.

Granting an app permission is only the start of a data trail few people ever see. That information often gets stored, combined, or passed to analytics providers, advertisers, and data brokers long after the original feature is done with it, and the business model behind an app usually explains how much of this happens.

Silent HMAC Key Contamination: Uncovering a Logic Flaw in Burp's JWT Editor Extension

HackerNoon — Fri, 11 Sep 2026 09:00:58 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/silent-hmac-key-contamination-uncovering-a-logic-flaw-in-burps-jwt-editor-extension.
JWT Editor was shortlisted for “Best Auth & Access Control” in PortSwigger’s 2026 Burp Suite Extension Awards. This is the story of finding a silent bug inside.
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This story was written by: @rivenx173. Learn more about this writer by checking @rivenx173's about page, and for more stories, please visit hackernoon.com.

JWT Editor was shortlisted for “Best Auth & Access Control” in PortSwigger’s 2026 Burp Suite Extension Awards. This is the story of finding a silent bug inside.

Smart Rate Limiting: the Fail-safe Your Bot Vendor Cannot Build for You

HackerNoon — Thu, 10 Sep 2026 09:01:03 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/smart-rate-limiting-the-fail-safe-your-bot-vendor-cannot-build-for-you.
Build a forecast-driven, multi-dimensional rate limiter in your stack to catch volumetric bot attacks when commercial vendors lag.
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This story was written by: @brahmbhattspandan. Learn more about this writer by checking @brahmbhattspandan's about page, and for more stories, please visit hackernoon.com.

Commercial bot vendors miss sophisticated or fast-moving attacks, leaving a dangerous window of vulnerability. This article details a practical, in-house defense architecture: a forecast-driven, multi-dimensional rate limiter running on familiar libraries like Redis and Prophet. By dynamically modelling normal traffic ceilings and attributing excess to specific behavioral keys, you can safely intercept volumetric scraper and flood attacks at the edge before they impact your origin.

SpyCloud 2026 Identity Threat Report Finds Non-Human Identities Are Now the Leading Path

HackerNoon — Thu, 10 Sep 2026 09:01:01 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/spycloud-2026-identity-threat-report-finds-non-human-identities-are-now-the-leading-path.
Ninety-five percent of organizations believe they have visibility into their AI and machine identity exposures, yet only 36% are actually monitoring them.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #spycloud, #cybernewswire, #press-release, #cyber-security-awareness, #spycloud-announcement, #cybercrime, #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.

How TOR Hides You - Onion Routing, Circuits and Hidden Services : Down The Rabbit Hole Part 3

HackerNoon — Wed, 09 Sep 2026 09:00:59 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/how-tor-hides-you-onion-routing-circuits-and-hidden-services-down-the-rabbit-hole-part-3.
Hidden services skip the exit node entirely. A rendezvous point splices two anonymous circuits so neither side reveals its IP.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #darkweb, #tor, #privacy, #anonymity, #network-security, #cryptography, #hidden-services, #hackernoon-top-story, and more.

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

TOR is more than just a privacy tool. This part breaks down how TOR actually works under the hood, from building circuits and layered onion encryption to the telescoping key exchange and hidden services that make the dark web possible.

Modernizing Threat Monitoring and Detection Engineering for Ultimate MTTR Reduction

HackerNoon — Wed, 09 Sep 2026 09:00:57 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/modernizing-threat-monitoring-and-detection-engineering-for-ultimate-mttr-reduction.
Learn how threat intelligence connects monitoring and detection engineering to help SOC teams reduce alert noise, improve detection, and respond faster.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #threat-intelligence, #soc-threat-monitoring, #soc-operations, #proactive-threat-detection, #mssp-threat-monitoring, #intelligence-driven-soc, #threat-intelligence-feeds, #good-company, and more.

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

Modern SOCs need more than continuous log collection. This guide explains how threat monitoring, detection engineering, and threat intelligence work together as a continuous operational loop. It covers live intelligence feeds, behavioral threat hunting, YARA rule creation, emerging threat research, and unified workflows that help SOC teams reduce false positives, close detection gaps, improve analyst efficiency, and move from reactive incident response toward proactive defense.

A Green Import Report Is Not a CRM Cutover Test

HackerNoon — Tue, 08 Sep 2026 09:01:07 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/a-green-import-report-is-not-a-crm-cutover-test.
Six evidence checks for CRM cutovers: identity, relationships, automation, access, reporting, and recovery. Includes a worked reconciliation example.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #disaster-recovery, #crm-migration, #data-migration, #hubspot, #software-testing, #data-integrity, #enterprise-software, #revops, and more.

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

Matching record totals do not prove a CRM migration is safe. Validate six layers using explicit expected results, record-level reconciliation, negative permission tests, and a recovery rehearsal. Treat the final go-live decision as an evidence review, not a progress update.

Post-Quantum Cryptography and India’s Digital Public Infrastructure

HackerNoon — Tue, 08 Sep 2026 09:01:04 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/post-quantum-cryptography-and-indias-digital-public-infrastructure.
India’s Aadhaar, UPI, and DigiLocker systems may need crypto-agility and post-quantum migration as quantum computing risks grow.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #post-quantum-cryptography, #digital-public-infrastructure, #upi-encryption, #digilocker-security, #national-quantum-mission-india, #crypto-agility, #quantum-safe-encryption, #post-quantum-planning, and more.

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

The article argues that India’s digital public infrastructure needs early post-quantum planning, including hybrid cryptography, crypto-agile PKI/HSM upgrades, testing, certification, and prioritization of sensitive identity and payment systems.

8 Timer Implementation Patterns for Systems and Network Software

HackerNoon — Mon, 07 Sep 2026 09:01:03 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/8-timer-implementation-patterns-for-systems-and-network-software.
A practical guide to system-side timer patterns, from hardware interrupts and OS APIs to timer wheels, heaps, polling, and event loops.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #networking, #system-timers, #timer-architecture, #linux-timers, #network-protocol-timers, #bgp-hold-timers, #event-loop, #kernel-timers, and more.

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

System-side timers can be built in eight different ways — from hardware interrupts and OS APIs to timer wheels, heaps, and event loops. This article breaks down each approach and explains why timer wheels and event-loop-integrated timers (like libevent or epoll/timerfd) are the go-to choices for production networking software handling thousands of concurrent sessions, such as BGP or tunnel keepalives.

Enterprise Networks Know Who Connected. AI Agents Make the “Why” Harder

HackerNoon — Mon, 07 Sep 2026 09:01:01 -0700

This story was originally published on HackerNoon at: https://hackernoon.com/enterprise-networks-know-who-connected-ai-agents-make-the-why-harder.
AI agents complicate enterprise trust because identity alone cannot explain intent, delegated authority, or why a connection happened.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #networking, #network-identity, #ai-agents, #zero-trust, #enterprise-security, #ai-observability, #identity-and-access-management, #machine-identity, and more.

This story was written by: @kgsr2194. Learn more about this writer by checking @kgsr2194's about page, and for more stories, please visit hackernoon.com.

The article argues that AI agents will stretch enterprise identity models. Knowing who an agent is will not be enough; infrastructure will also need context about authority, delegation, task scope, and intent.

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
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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.
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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.
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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.
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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
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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.
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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.

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

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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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.

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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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.

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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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.

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

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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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.

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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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.

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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This story was written by: @404saint. Learn more about this writer by checking @404saint's about page, and for more stories, please visit hackernoon.com.

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

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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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.

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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This story was written by: @ridhdhidesai_109. Learn more about this writer by checking @ridhdhidesai_109's about page, and for more stories, please visit hackernoon.com.

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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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.

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