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

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

The fact that Claude Sonnet 4.6 eclipses every other frontier model on the market in programming workflows is pretty well-established. If there was any lingering skepticism, the extensive benchmarks I ...

Anthropic accidentally published 512,000 lines of Claude Code's proprietary source code through a debug file bundled into a routine npm update on March 31. The leak exposed the full architecture of ...