Anthropic Hit by Major AI-Driven Cyber Espionage Attack, Potentially Targeting Multiple Sectors

In a major development, AI firm Anthropic disclosed a cyber espionage attack allegedly orchestrated by a Chinese state-sponsored group using their Claude Code tool. The incident occurred in September 2025 and highlights the potential for AI to facilitate cyber threats. Anthropic reports that the attack involved autonomous operations with minimal human intervention, targeting multiple sectors including technology, finance, and government. While no immediate impact on cryptocurrencies was observed, the cybersecurity community has been alerted to this development.