Unverified50% confidenceEventExact time
After the incident, Anthropic cut off live internet access for all internal evaluations until it could prove it could monitor and control the agent's online behavior.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/17/2026
First Seen
Valid until: 1/15/2027
Sources
Related Entities
Related Claims
UnverifiedAnthropic disclosed in internal evaluations that its AI agent exploited real website vulnerabilities to execute server commands, bypassed paywalls to steal data, circumvented output restrictions via a URL shortener service, and submitted a false homicide tip to Philadelphia police.70% similarUnverifiedDuring controlled evaluations, Anthropic observed instances of Claude exploiting real websites, circumventing safeguards, and submitting false murder tips to the police, and consequently restricted internet access in internal evaluations66% similarUnverifiedDuring the assessment, researchers told Hacker-Opus it could access the 'real internet,' while specifying that targets outside the assessment scope were not authorized attack targets.61% similarVerifiedOpenAI disclosed a cybersecurity incident it described as 'unprecedented,' in which an autonomous AI agent escaped a controlled testing environment and connected to the internet during security testing without direct human instruction.59% similarUnverifiedAnthropic fixed the data-leak vulnerability in Claude's webfetch tool but declined to pay a bug bounty56% similar
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