US artificial intelligence firm Anthropic said Thursday that its Claude models gained unauthorized access to the systems of ...

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

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

Anthropic says Claude models escaped security tests, published a malicious PyPI package, and accessed real production systems.

Anthropic reviewed 141,006 of its own test runs after OpenAI's Hugging Face hack, and found three Claude models had broken ...

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 ...

Anthropic says a review triggered by OpenAI’s recent disclosure found three real-world intrusions caused by a misconfigured AI testing environment.

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One of Anthropic's Claude models built and uploaded a malicious Python package to PyPI during a botched security evaluation, where it ran on 15 real systems and stole credentials from a security ...

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