Skip to content
Submit incident
AII-1000-53971
AllegedThe record is a lawsuit, complaint or accusation that has not been decided.

Anthropic reports Chinese AI firms redirecting user queries to Claude

Anthropic accused Chinese AI firms Moonshot and DeepSeek of systematically redirecting user queries to Claude while users believed they were using the Chinese firms' models, with some queries containing sensitive data from Chinese military and Russian government sources.

11 September 2026 Β· Anthropic Β· Fraud, scams and manipulation
11 September 2026
AII-1000-539712 sources ↓
Quick facts
Category
Fraud, scams and manipulation
Country
China
Source
Handelsblatt
Date
11 September 2026
Drafted by
Raidu Incident Detection

What happened

Anthropic reported that the Chinese AI firms Moonshot and DeepSeek have redirected user queries to Anthropic's Claude model instead of processing them with their own software. Users believed their requests were being handled by Moonshot's Kimi or by DeepSeek, but were unknowingly routed to Claude.

Kimi redirected nearly 300,000 customer queries to Claude over a ten-day period using a network of 5,380 fake accounts. DeepSeek similarly redirected queries, including requests containing surveillance camera footage from areas near Chinese military installations and data from a Russian government ministry database with valid login credentials.

Reported impact

Sensitive data from Chinese and Russian government sources was processed through Anthropic's systems without authorization. These included surveillance footage from areas near Chinese military locations and government database credentials from Russia's defense ministry.

Classification

Category
Fraud, scams and manipulation
Industry
Digital security
Country
China
Harm status
Actual harm
Intent
Intentional
Timing
Post-deployment
Harm types
Other
Harmed
Business, Government
Failure modes
Unauthorised scraping, Manipulation or dark pattern, Data leak
AI systems
Claude, Kimi, DeepSeek

Sources and evidence

This record was researched and written by the Index, based on the following original reporting.

Handelsblatt
KΓΌnstliche Intelligenz: KI-Firma Anthropic wirft chinesischen Rivalen Schummelei vor
11 September 2026
N-tv
Der BΓΆrsen-Tag: Anthropic attackiert chinesischen Rivalen
11 September 2026