hackingincidents.ai
Ledger / Sep 2025

Chinese state group ran largely autonomous espionage campaign via Claude Code

Confirmed

Anthropic detected and disrupted the campaign and reports its details.

Operators built a framework that drove Claude Code through reconnaissance, exploitation, credential theft and exfiltration, with humans approving only a few decision points.

“the threat actor was able to use AI to perform 80-90% of the campaign, with human intervention required only sporadically”Anthropic

Sources

Date
Sep 2025
Disclosed
13 Nov 2025
Actor
Chinese state-sponsored group (Anthropic: GTG-1002) (nation state), as attributed by Anthropic
Nexus
China
Targets
About thirty targets: tech companies, financial institutions, chemical manufacturers, government agencies
What the AI did
Recon, Agentic intrusion, Exploit dev, Data analysis, Ops automation
Model
Claude Code
Model family
Anthropic
Model basis
stated by vendor
Autonomy
autonomous
Outcome
A small number of intrusions succeeded; accounts banned.