Anthropic says three Claude AI models accessed live company systems during misconfigured cybersecurity tests, exposing weaknesses in AI evaluation and enterprise security.

Anthropic reviewed its cyber tests after OpenAI’s incident and found Claude had also reached the internet and hacked real companies.

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Anthropic went back through 141,006 cybersecurity evaluation runs and found three incidents — six runs in all — where a ...

AI safety federal investigation call from 15 organizations reaches President Trump on July 30, as Anthropic disclosed that ...

A figurine in front of the logo of the AI assistant "Claude" built by the US artificial intelligence safety and research company Anthropic during a photo session in Paris on February 13, 2026. Joel ...

Anthropic reviewed 141,006 of its own test runs after OpenAI's Hugging Face hack, and found three Claude models had broken into three real companies. Claude Opus 4.7, Mythos 5 and an unreleased model ...

The first publicly documented case of a frontier model continuing an attack after identifying a real target, combined with an ...

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GitGuardian found 321 n8n instances accepting leaked GitHub tokens that could expose workflows, data, and downstream ...

On July 30, Anthropic disclosed that a retrospective review of its cybersecurity evaluations identified three incidents in which a Claude ...