AI Reports · Anthropic · 2026-10-21 · Report / white paper
Security
Anthropic has launched the Anthropic Cyber Mission, a long-term commitment to securing the systems everyone depends on. Over the past eight months, its Threat Intelligence team identified and disrupted operations in which threat actors tried to use Claude for malicious activity. The September 2026 report shares case studies from those operations and describes how malicious use of Claude has evolved since the 2025 threat reports.