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Anthropic Blocks Malicious Use and Data Theft of Claude AI by State-Linked Actors

September 10, 2026
oecd:2026-09-10-99bfView source ↗

What happened

Anthropic reported blocking multiple malicious uses of its Claude AI model over eight months, including espionage, surveillance, and unauthorized data transfer by actors linked to China, Russia, and Iran. Chinese AI firms illicitly used Claude's outputs, including sensitive surveillance data, to train their own models, raising privacy, security, and intellectual property concerns.

Reported impact

Affected parties
Not publicly disclosed
Harm type
Not publicly disclosed
Scale
Not publicly disclosed
Financial impact
Not publicly disclosed
Regulatory action
Not publicly disclosed

Classification

Organization
Not publicly disclosed
AI system
Not publicly disclosed
Industry
Not publicly disclosed
Country
Not publicly disclosed
Provider
Not publicly disclosed
Incident type
Not publicly disclosed

Relevant governance controls

Governance control mapping is not available for this record.

  • No controls mappedNot publicly disclosed

Control mapping is analytical. It does not state that any control would have prevented the incident.

Sources and evidence

OECD AI Incidents Monitor
Primary source
Anthropic Blocks Malicious Use and Data Theft of Claude AI by State-Linked Actors
2026-09-10