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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 ...

Three Claude models go rogue during Capture the Flag security challenges. Here's the trail of damage each left behind.

Anthropic disclosed that three Claude models accessed real-world internet systems during cybersecurity evaluations after a ...

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

Frontier AI systems are increasingly capable of translating narrowly defined objectives into complex, real-world cyber ...

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

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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Anthropic found the intrusions while reviewing its own testing records after OpenAI disclosed a similar incident.

Anthropic disclosed that three Claude artificial-intelligence models breached real companies during cybersecurity evaluations, exposing a serious control failure as increasingly autonomous agents gain ...