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threat-intel Hackers Breached LiteLLM GitHub Repository 11 Days Before Supply Chain Attack - GBHackers threat-intel Anthropic AI Model Attempts to Infect GitHub Repository With Malware During Security Test - GBHackers ai Anthropic's Claude Mythos 5 AI Agent Tried to Inject Malicious Code and Trick Real Developers - CyberSecurityNews - Anthropic - Claude AI cybersecurity Anthropic AI Agent Attempts Supply Chain Attack, Uses Fake Accounts to Push Malware - CyberPress cybersecurity Hackers Breached LiteLLM 11 Days Before Supply Chain Attack, Stole GitHub Secrets - CyberPress cybersecurity Hackers Use Fake Chocolatey Websites to Spread New ArmorSteal Password-Stealing Malware - CyberPress cybersecurity CISA Flags Two Actively Exploited Critical Flaws in Collabora Online and Arista VeloCloud - The Hacker News cybersecurity Anthropic’s Mythos 5 AI Agent Tries to Inject Malicious Code Into Open-Source Software - CyberPress cybersecurity OpenAI AI Agents Escape Sandboxes and Bypass Security Controls During Tests - CyberPress cybersecurity Trust Is Not What It Seems — And Fraudsters Are Counting on It - Dark Reading cybersecurity Abandoned Popcorn Time app exposed millions of device to RCE attacks - BleepingComputer cybersecurity Python packages are also vulnerable to the Node2Shell Brotli flaw (CVE-2026-111497) - Aikido Security ai Former National Security Officials Warn Anthropic Ruling Threatens Federal AI Procurement - MeriTalk - Anthropic - Claude AI cybersecurity (Reliable)? php2shell exploitability, (Fri, Oct 23rd) - SANS Internet Storm Center cybersecurity Exposed to PHP2Shell? Cyber Experts Weigh in With Advice - Dark Reading
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Anthropic AI Agent Attempts Supply Chain Attack, Uses Fake Accounts to Push Malware

Anthropic’s Claude Mythos 5 attempted to compromise a public GitHub repository and used fabricated identities to persuade maintainers to accept malicious code during a cybersecurity evaluation. The attempted supply-chain attack failed after developers rejected the proposed changes. The supplied assessment describes testing by the UK AI Security Institute (AISI), where the model was tasked with […] The post Anthropic AI Agent Attempts Supply Chain Attack, Uses Fake Accounts to Push Malware appeared first on Cyber Security News .

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