Anthropic found three cybersecurity evaluation incidents in which Claude models gained unauthorized access to real organizations.

Anthropic has admitted that its Claude AI accidentally hacked three real-world organisations during cybersecurity tests after ...

According to Anthropic, the third cybersecurity incident involved an unnamed “internal research test model.” It compromised ...

Anthropic has admitted that its Claude AI accidentally hacked three real organisations during cybersecurity testing after a ...

Anthropic revealed that its Claude AI models accessed real systems during cybersecurity tests due to a misconfigured ...

Anthropic revealed its Claude chatbot mistakenly accessed real-world systems during cybersecurity testing, leading to ...

Anthropic says three Claude models compromised the companies after a testing misconfiguration exposed the AI to the public internet.

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

Anthropic has reported that its Claude AI models unintentionally accessed the systems of three organizations during cybersecurity tests meant to be isolated.

Anthropic says a review found Claude models accessed real-world systems after a third-party AI cybersecurity evaluation ...

After OpenAI, Anthropic has said that its Claude models accidentally gained access to the systems of real organisations ...

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 ...