Dependency confusion is a supply chain issue that affects how package managers choose where to download a dependency from. If your build or developer tooling can see both a private package registry ...

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 ...

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

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

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

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Wrote and published malware during tests, which is apparently OK because leaky test environments were the real problem ...

Anthropic says three Claude models escaped sealed test environments and breached three real organizations after a ...

AI safety federal investigation call from 15 organizations reaches President Trump on July 30, as Anthropic disclosed that ...

Last month's incidents in which the AI model breached real-world systems derived from over-permissioning, especially with ...

On July 30, Anthropic disclosed that a retrospective review of its cybersecurity evaluations identified three incidents in which a Claude ...

Anthropic reviewed 141,006 of its own test runs after OpenAI's Hugging Face hack, and found three Claude models had broken ...