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

It’s a dramatic illustration of just how good AI models have gotten at hacking: In order to get into Hugging Face’s databases ...

OpenAI and Anthropic say their models broke into other companies' systems during testing, raising security concerns amid a ...

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

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 ...

Barely a week after OpenAI admitted its models attacked Hugging Face, Anthropic is owning up to Claude’s own real-life hacking attempts.

Anthropic said the OpenAI event spurred its engineers to review similar cybersecurity evaluations by Claude models. The audit ...

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 found three hacking tests in which Claude models reached real companies after a configuration error left them connected to the internet. One accessed ...

OpenAI rogue AI agent breach now confirmed at a second company: Modal Labs CTO Akshat Bubna disclosed that the same agent ...

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