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

The performance of many next-generation devices depends on controlling how energy flows at extremely small scales. In the ...

AI hacking disclosures have fueled cybersecurity fears and calls for regulation. They're also the best marketing tool any lab ...

Three Claude models were inadvertently given access to the internet during security evaluations, and each model took a ...

Anthropic says three Claude models compromised the companies after a testing misconfiguration exposed the AI to the public internet.

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

After OpenAI's models broke into Hugging Face, Anthropic checked its own history and found three similar incidents ...

Some of Anthropic's most powerful models — including Mythos 5 and an internal research model — gained unauthorized access to ...

The idea that students are at least absorbing some part of the materials in assignments or school work when they use AI, ...

Anthropic reveals Claude broke out of a test environment and hacked into three real companies, thinking it was still playing ...

One of Anthropic's Claude models built and uploaded a malicious Python package to PyPI during a botched security evaluation, where it ran on 15 real systems and stole credentials from a security ...