New research finds that Claude breaks bad if you teach it to cheatCyberScoop·Nov 24, 22:41 UTC · Nov 24, 2025Exploit / PoC in the wild60
Claude Code Security and Magecart: Getting the Threat Model RightThe Hacker News·Mar 18, 11:58 UTC · Mar 18, 2026Data breach60
Hackers Used AI to Develop First Known ZeroThe Hacker News·May 15, 00:00 UTC · May 15, 2026Exploit / PoC160
Week in review: Fortibleed campaign’s impact on orgs, Cisco Unified CM flaw exploitedHelp Net Security·Jun 28, 00:00 UTC · Jun 28, 2026Threat actor in the wildCVE-2026-2023060
ThreatsDay: Cloud Bucket Hijacking, Windows LPE Chain, Global Fraud Bust + 17 More StoriesThe Hacker News·Jul 9, 15:09 UTC · Jul 9, 2026Phishing & fraudCVE-2026-918160
Anthropic says its AI hacked realThe Record·Jul 31, 12:16 UTC · Jul 31, 2026Data breach in the wild60
Project Glasswing powered by Claude Mythos: defending software before hackers doSecurity Affairs·Apr 8, 11:18 UTC · Apr 8, 2026Vulnerability55
New Zero-Click Flaw in Claude Extensions, Anthropic Declines FixInfosecurity Magazine·Feb 9, 17:30 UTC · Feb 9, 2026Vulnerability55
Pentagon Designates Anthropic Supply Chain Risk Over AI Military DisputeThe Hacker News·Mar 3, 09:03 UTC · Mar 3, 2026Policy & legal55
OpenAI To Extend Cyber Program to Government AgenciesInfosecurity Magazine·May 4, 08:00 UTC · May 4, 2026Vulnerability55
Anthropic to put AI in charge of reviewing Claude Code actions by defaultHelp Net Security·Aug 10, 00:00 UTC · Aug 10, 2026Vulnerability155
Anthropic and OpenAI Security Tools Could Fuel CyberInfosecurity Magazine·Jul 10, 13:45 UTC · Jul 10, 2026Exploit / PoC60
ThreatsDay Bulletin: Claude Chat Abuse, NastyC2 npm Packages, DeviceThe Hacker News·Jun 18, 15:29 UTC · Jun 18, 2026Exploit / PoCCVE-2026-2012760
Week in review: Notepad++ supply chain attack details and targets, Patch Tuesday forecastHelp Net Security·Feb 8, 00:00 UTC · Feb 8, 2026Vulnerability in the wildCVE-2026-21509CVE-2025-22225CVE-2026-2442360
Mythos Outperforms GPT5.5 on Google Chrome Vulnerability ExploitsInfosecurity Magazine·Jun 4, 13:00 UTC · Jun 4, 2026Vulnerability55
Claude published malicious code to the Internet and attacked 3 real companiesArs Technica · Security·Jul 31, 20:39 UTC · Jul 31, 2026Data breach160
U.S. Orders Anthropic to Suspend Fable 5 and Mythos 5 Access for Foreign NationalsThe Hacker News·Jun 15, 00:00 UTC · Jun 15, 2026Vulnerability55
Report: Anthropic Deploys Engineers to Support NSA Use of MythosSecurity Affairs·Jun 6, 16:18 UTC · Jun 6, 2026Exploit / PoC60
Contrast CVE Shield aims to protect applications while security teams deploy patchesHelp Net Security·Jul 29, 00:00 UTC · Jul 29, 2026Vulnerability in the wildCVE-2021-44228160
Flaw in Claude’s Chrome extension allowed ‘any’ other plugin to hijack victims’ AICyberScoop·May 8, 13:14 UTC · May 8, 2026Exploit / PoC in the wild60
Capsule Security debuts with $7 million funding to secure AI agent behaviorHelp Net Security·Apr 15, 00:00 UTC · Apr 15, 2026Exploit / PoCCVE-2026-2152060
How AI Assistants are Moving the Security GoalpostsKrebs on Security·Mar 9, 00:57 UTC · Mar 9, 2026Vulnerability55
Anthropic touts safety, security improvements in Claude Sonnet 4.5CyberScoop·Sep 30, 16:34 UTC · Sep 30, 2025Vulnerability55
US lifts export controls on Anthropic’s frontier cybersecurity AI modelsThe Record·Jul 1, 13:22 UTC · Jul 1, 2026Vulnerability55
Safe and Inclusive E‑Society: How Lithuania Is Bracing for AI‑Driven Cyber FraudThe Hacker News·Feb 18, 13:34 UTC · Feb 18, 2026Phishing & fraud55
Anorexia coaches, self-harm buddies and sexualized minors: How online communities are using AI chatbots for harmful behaviorCyberScoop·Mar 5, 17:14 UTC · Mar 5, 2025Policy & legal55
Week in review: Acrobat Reader flaw exploited, Claude Mythos offensive capabilities and limitsHelp Net Security·Apr 19, 00:00 UTC · Apr 19, 2026Data breach in the wildCVE-2026-34621CVE-2026-39813CVE-2026-3980860
OpenAI expands Trusted Access for Cyber program with new GPT 5.4 Cyber modelCyberScoop·Apr 15, 13:59 UTC · Apr 15, 2026Exploit / PoC in the wild60
Daybreak is OpenAI's answer to the AI arms race in cybersecurityCyberScoop·May 13, 14:36 UTC · May 13, 2026Exploit / PoC in the wild60
OpenAI's rogue AI agent shows why we need federal rules for autonomous systemsCyberScoop·Jul 29, 10:00 UTC · Jul 29, 2026Exploit / PoC in the wild60
Week in review: AiTM phishing kit used to hijack AWS accounts, year-long malware campaign targets HRHelp Net Security·Mar 15, 00:00 UTC · Mar 15, 2026Malware in the wildCVE-2026-21262CVE-2026-26127160
ThreatsDay Bulletin: $290M DeFi Hack, macOS LotL Abuse, ProxySmart SIM Farms +25 New StoriesThe Hacker News·Apr 24, 04:36 UTC · Apr 24, 2026Exploit / PoCCVE-2026-27175CVE-2026-27174CVE-2025-22952+1 CVEs60
Week in review: Infostealer dropped via FortiClient EMS flaw, exploited Trend Micro Apex One flawHelp Net Security·May 31, 00:00 UTC · May 31, 2026Malware in the wildCVE-2026-45659CVE-2026-34926CVE-2026-3561660
New infosec products of the month: June 2026Help Net Security·Jun 26, 00:00 UTC · Jun 26, 2026Policy & legal155
New infosec products of the week: June 5, 2026Help Net Security·Jun 5, 00:00 UTC · Jun 5, 2026Policy & legal155
Commercial AI Models Show Rapid Gains in Vulnerability ResearchInfosecurity Magazine·Apr 17, 13:20 UTC · Apr 17, 2026Vulnerability55
Researchers Reveal Reprompt Attack Allowing Single-Click Data Exfiltration From Microsoft CopilotThe Hacker News·Jan 15, 00:00 UTC · Jan 15, 2026Ransomware160
Week in review: Windows zero-day exploit leaked, Patch Tuesday forecastHelp Net Security·Apr 12, 00:00 UTC · Apr 12, 2026Exploit / PoC in the wildCVE-2026-34197160
The slow rise of SBOMs meets the rapid advance of AICyberScoop·Nov 24, 19:51 UTC · Nov 24, 2025Vulnerability155
ThreatsDay Bulletin: Hybrid P2P Botnet, 13-YearThe Hacker News·Apr 9, 16:23 UTC · Apr 9, 2026MalwareCVE-2024-32114CVE-2026-34197CVE-2022-41678160