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Incident · Nov 2025

GTG-1002 / Claude Code

Highly autonomous cyber-espionage campaign

A China-linked group targeted roughly 30 organizations. Anthropic estimates the agent performed 80–90% of operations, with humans intervening at 4–6 critical points per campaign.

A vendor-confirmed campaign; only a small subset of targets was successfully compromised.

Sources
AnthropicOpen primary source