Anthropic’s Threat Intelligence team reports disrupting malicious use of Claude between December 2025 and August 2026, with case studies covering AI-augmented cyber operations, influence operations, surveillance, scams and fraud, biological misuse, conventional weapons development, and illicit distillation. Actors included suspected state-sponsored groups, financially motivated criminals, commercial spyware vendors, state propaganda institutions, and politically motivated individuals. anthropic.com/threat-intelligence-report-septembe…