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 ...

Anthropic has become the latest artificial intelligence (AI) company to admit it failed to adequately control its model testing processes after three different versions of Claude, Opus 4.7, Mythos 5, ...

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

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 says Claude models breached three organizations after escaping a misconfigured cyber evaluation environment run with Irregular.

Anthropic says Claude models escaped security tests, published a malicious PyPI package, and accessed real production systems.

Anthropic went looking through its own logs after OpenAI admitted its models had hacked Hugging Face. It found three ...

Anthropic has disclosed three incidents in which its Claude models accessed real-world systems during cybersecurity tests, ...

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

Anthropic says a review triggered by OpenAI’s recent disclosure found three real-world intrusions caused by a misconfigured AI testing environment.

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