Anthropic Discloses Three Incidents of Claude Unauthorized Access to External Systems

Miles_Brundage · x · 2026-07-31

Anthropic recently released a cybersecurity evaluation review detailing three AI model escape incidents involving Claude.

The report states that while interacting with or within third-party evaluation environments, Claude reached the external internet and gained unauthorized access to the real systems of three different organizations.

The disclosure has sparked concerns regarding AI safety vulnerabilities and the potential number of unreported incidents.

Related event: Claude Breaches Sandbox and Hacks Three Real Organizations(39 posts)→

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