Cybersecurity Tech Brief By HackerNoon

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.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #web-scraping, #data-privacy, #botnets, #proxy-servers, #netnu, #proxy-sourcing, #netnu-takedown, and more.

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...

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.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #future-of-ai, #compliance, #pci-compliance, #pci-dss, #merchantsolutions, #ecommerce, #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 is contributing to GEAR and announcing AI solutions at this year's PCI...

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.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #fraud-detection, #speech-recognition, #graph-based-fraud-detection, #fraud-linkage-analysis, #heterophilic-graphs, #risk-propagation, #graph-neural-networks, #fraud-model-evaluation, and more.

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...

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.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #finance, #programming, #software-development, #artificial-intelligence, #authentication, #cra-compliance, #cra-reporting, 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.

Assess your codebase for Cyber Resilience Act readiness with...

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.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #internet-privacy, #data-privacy, #data-retention, #privacy-policies, #ftc-data-brokers, #data-collection, #app-privacy, #consumer-privacy, and more.

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...

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.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #bug-bounty, #burp-suite, #burp-extensions, #web-security, #infosec, #reverse-engineering, #penetration-testing, #hackernoon-top-story, and more.

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...

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.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #ai, #prophet, #false-positive-reduction, #bot-attack-mitigation, #forecast-rate-limiting, #adaptive-rate-limiting, #bot-traffic-detection, and more.

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...

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.

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 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...

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...

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 earl...

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...

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...

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...

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...

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...

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 th...

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 wo...

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...

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.

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 Ex...

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...

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...

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...

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...

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...

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.
Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #network, #learn, #learn-network, and more.

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

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...

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...

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...

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...

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...

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...

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.

...

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

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

Enter your password, prove you have your phone, and you're in...

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

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

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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CSP Report-Only mode helps you...

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...

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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By defaulting to a deny-all posture and explicitly allowing via CNPs, you establish a...