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

Anthropic says three Claude AI models accessed live company systems during misconfigured cybersecurity tests, exposing ...

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

Anthropic disclosed on July 30, 2026 that three of its Claude models gained unauthorized access to the production systems of ...

Anthropic has disclosed that Claude models gained unintended access to ‘real-world’ systems of three organizations as part of cybersecurity testing, raising further questions about whether stronger ...

Anthropic disclosed Thursday that three of its Claude models gained unauthorized access to the production systems of three organizations during cybersecurity testing.

Anthropic Claude cybersecurity evaluation breach: a review of 141,006 runs found three Claude models hacked real ...

Anthropic's disclosure of three incidents during cybersecurity evaluations reveals a systemic evaluation infrastructure gap — not a model failure — that two affected organizations never detected on ...

Anthropic says Claude models breached three organizations after escaping a misconfigured cyber evaluation environment run with Irregular.

Anthropic has disclosed three security incidents in which Claude models gained unauthorized access to real organizations during internal cyber exercises.

Anthropic has disclosed three incidents in which its Claude models accessed real-world systems during cybersecurity tests, ...

Anthropic says 3 Claude models breached real organizations after misconfigured CTF evaluations exposed them to the open internet and production system ...