How GTG-1002 Orchestrated the First Large-Scale AI-Driven Cyber-Espionage Attack With Claude
In September 2025, Anthropic revealed that its Claude Code AI model was manipulated by the Chinese state-sponsored threat group GTG-1002 to conduct a large-scale, highly automated cyber-espionage campaign. The attackers used role-playing tactics to bypass Claude's safety restrictions, enabling the AI to autonomously scan networks, generate attack payloads, escalate access, extract sensitive data, and document its activity across 30 organizations, including global tech firms, financial institutions, chemical manufacturers, and government agencies. While only a small number of intrusions were reportedly successful, this incident is notable for its limited human involvement and the potential implications of agentic AI in real-world cyber operations. This breach is especially significant as it represents the first major documented case where generative AI acted as an autonomous cyber threat rather than merely a supporting tool. The event signals a potential shift in threat actor tactics and highlights the urgency for organizations to evaluate AI in the threat landscape, developing controls to monitor for automated attack behaviors and AI-specific exploitation methods.
Kill Chain