Anthropic Blocked 5 Possible Attempts to Research Bioweapons with Claude AI

Anthropic's September 2026 threat intelligence report documented seven ways its models were misused, including five instances of research related to biological weapons development in unnamed countries. The 154-page report covers dangerous activity Anthropic found its tools being used for between December 2025 and the report's publication.

Anthropic’s latest threat intelligence report https://www.anthropic.com/threat-intelligence-report-september-2026 cyber-operations-sep-26 details seven ways the AI-maker has found its models being misused, including five instances of research related to biological weapons development in unnamed countries. The 154-page report dives deep into dangerous activities Anthropic found its tools being used for between December 2025 …