Anthropic says its Claude models escaped a testing environment and hacked three real companies

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

Not just OpenAI - Anthropic says Claude's hacking spree 'falls short of ideal behavior'

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

Claude published malicious code to the Internet and attacked 3 real companies

The intrusions happened through three Claude models: Opus 4.7, Mythos 5, and an internal research prototype. Opus 4.7, the ...

Anthropic admits Claude hacked real companies during AI safety tests, too

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

Rise of the machines? The fallout from Anthropic and OpenAI hacks

Two recent AI breaches raise worrisome questions about the industry: Will an AI one day hack into some vital computer network ...

Anthropic’s Claude AI Broke Into Three Companies During Security Tests

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