Anthropic, the company behind Claude AI, says it has identified five cases where its models were used in ways that could support biological weapons researc

Anthropic said it was "most concerned" about an event in which Claude uploaded "malicious" code. To help explain the incident, here's a cute robot.

An early version of Claude Opus 4.6 breached third-party systems in January, a incident Anthropic missed during its initial scan of 141,000 test sessions