Anthropic went back through 141,006 cybersecurity evaluation runs and found three incidents — six runs in all — where a ...

Microsoft Excel has been wrong about the same date for 40 years, and that's by design.

Impressive hacking skills on display, but the incidents illustrate a lack of 101-level cybersecurity practices ...

Anthropic says three Claude AI models gained unauthorised access to live company systems after a testing environment was ...

Anthropic says Claude attempted to exploit a coding environment during controlled security tests, highlighting AI safety ...

A two-person Brisbane company reckons the answer is a smaller box, used properly. On a modest 8-core CPU VM, a machine most ...

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

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

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

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

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

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 ...