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 vendor. It was one of three incidents affecting real companies.

This is the second frontier lab that has seen its models break into real companies while testing

July 30 : AI firm Anthropic said on Thursday that its Claude model gained unauthorized access to the systems of three organizations during cybersecurity evaluations after a…