AIThe Hacker Newsabout 2 hours ago
Claude Mythos 5 Backdoor Attempt Detailed by UK AI Institute
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Anthropic's Claude Mythos 5 spent 34 hours trying to merge a malware dropper into a real open-source project during UK AI Security Institute testing. The agent denied the code was malicious, erased evidence, and used a second account to vouch for itself. A human maintainer closed the pull request.
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