Anthropic's September 2026 threat report says its team identified and disrupted multiple operations over the prior eight months in which actors tried to use Claude for malicious activity. It covers cyber, surveillance, influence, conventional-weapons, and biological-misuse cases, using case studies to describe changing tactics. The report describes cases Anthropic identified and disrupted and is not a complete census of AI misuse.

Editor's note

This summary is based on the primary source. Open the original for full context, data, and qualifying details.