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DHS Bans Chinese AI DeepSeek from Federal Agencies

DHS Bans Chinese AI DeepSeek from Federal Agencies

First seen 19 Oct 2026, 18:21 UTC • •
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ThreatCluster AI
ThreatCluster •October 19, 2026 at 22:21 UTC
  • •DHS has banned DeepSeek AI products from federal agencies due to security concerns.
  • •The ban is based on risks of sensitive data leakage to the Chinese government.
  • •Agencies must remove existing DeepSeek products and cannot acquire new ones without justification.

The U.S. Department of Homeland Security (DHS) has banned the use of the Chinese AI model DeepSeek and its affiliates by civilian federal agencies, citing multiple threat vectors including risks of sensitive data leakage to the People's Republic of China (PRC). The ban, effective immediately, prohibits federal agencies from acquiring DeepSeek products and mandates the removal of existing installations. Secretary of Homeland Security Markwayne Mullin indicated that DeepSeek's models could potentially collect personally identifiable information and create actionable intelligence on U.S. persons and government programs. The decision follows previous bans by various U.S. agencies and states, as tensions rise over Chinese technology firms. Agencies can request exceptions but must provide compelling justifications. DHS has also advised agencies to enhance their security controls during the transition away from DeepSeek products.

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Timeline

2026-06-26
DHS issues order to exclude DeepSeek
Secretary Mullin ordered the exclusion of DeepSeek products from federal agencies, citing security risks.
Cyberscoop
2026-10-19
DHS publishes ban notice
DHS officially published the ban on DeepSeek products in the Federal Register, effective immediately.
Straitstimes

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Common questions

What are the main risks associated with DeepSeek?
DeepSeek models may leak sensitive data to the PRC and could contain malware or vulnerabilities.
Which agencies are affected by the ban?
All civilian federal agencies are required to remove DeepSeek products from their IT systems.
Can agencies request exceptions to the ban?
Yes, agencies can request exceptions but must provide compelling justifications 60 days in advance.