DHS bans DeepSeek from federal civilian systems; China objects to the national-security rationale
A July DHS order, disclosed in October, excludes DeepSeek from covered federal civilian systems and procurement. DHS cites security risks. China's foreign ministry objects to politicizing technology and trade under national-security arguments.
Case period:
Published by The Dispute Index editorial teamPublished Updated
Overview
The case examines DHS's exclusion and removal order, not a nationwide consumer ban. The signed appendix (opens in a new tab) is dated July 24, 2026. Its requirements take effect immediately after issuance; October 19 was public filing and October 20 formal publication.
The order covers DeepSeek products, affiliates and third-party implementations in covered civilian agency systems. It excludes national-security and compartmented information systems from this order's scope and permits agencies to seek exceptions.
DHS cites hosted-service data transfers, Chinese authorities' access powers and possible security vulnerabilities. The order's scope is broader than its discussion of hosted instances. On October 20, Mao Ning (opens in a new tab) objects to the U.S. action. She speaks for China's foreign ministry, not for DeepSeek.
People in this case
Markwayne MullinDirectly involved
Timeline
2 timeline entries on this page. Dates: July 24, 2026 to October 19, 2026
July 2026
DHS issues the DeepSeek exclusion and removal order
Source release
The signed order gives July 24 as its original release date and directs immediate exclusion and removal from covered civilian agency systems, with an exception process.
[01]U.S. Department of Homeland Security
The signed order requires exclusion from civilian procurement and removal from covered civilian systems, including third-party implementations. It provides an exception process and excludes national-security and compartmented systems from this order's scope.
DHS exclusion and removal order for DeepSeek products · U.S. Department of Homeland SecurityAppendix: order 2026-01, original release July 24, 2026, pages 1-4
October 2026
DeepSeek order is filed for public inspection
Source release
The Federal Register document is filed for public inspection on October 19 and published October 20, including the signed order as an appendix.
[01]U.S. Department of Homeland Security
The signed order requires exclusion from civilian procurement and removal from covered civilian systems, including third-party implementations. It provides an exception process and excludes national-security and compartmented systems from this order's scope.
DHS exclusion and removal order for DeepSeek products · U.S. Department of Homeland SecurityAppendix: order 2026-01, original release July 24, 2026, pages 1-4
Response record
Responses
Choose one response filter, or select All responses to see the full record.
2 responses. Newest first.
Mao NingChinese Ministry of Foreign Affairs spokespersonDirectly involved Before this statement
AFP asks about U.S. agency restrictions on DeepSeek and possible transfers of sensitive data to China.
"China consistently opposes overstretching the concept of national security and politicizing tech and trade issues."
CondemnedCase context: DHS bans DeepSeek from federal civilian systems; China objects to the national-security rationale
Full statement and sources
Responding to AFP's question about the restriction, Mao criticizes overstretching national security and politicizing technology and trade.
After the statement
Mao adds that China will resolutely safeguard Chinese businesses' lawful rights and interests.
Mao Ning's October 20 response to the U.S. DeepSeek restrictionAFP question about U.S. agency restrictions and Mao Ning's answerWhy this label?
Relative to DHS's restriction, Mao expressly criticizes the national-security rationale and politicization of technology. This is a substantive objection, not merely a change in terminology.
This label describes the statement's response within the context above.
U.S. Department of Homeland SecurityFederal department issuing the supply-chain security orderDirectly involvedBefore this statement
The order describes risks from DeepSeek-hosted services and possible transfers of sensitive data to China.
"The models themselves may contain malware or other security vulnerabilities."
Defended or excusedCase context: DHS bans DeepSeek from federal civilian systems; China objects to the national-security rationale
Full statement and sources
DHS cites possible security vulnerabilities as grounds for the restriction.
After the statement
The order then cites open-source research finding critical vulnerabilities in the DeepSeek iOS app, and directs civilian agencies to exclude and remove DeepSeek products.
DHS exclusion and removal order for DeepSeek products · U.S. Department of Homeland SecurityAppendix: order 2026-01, original release July 24, 2026, pages 1-4Why this label?
Relative to the federal civilian DeepSeek restriction, DHS's signed order adopts and justifies the action. The order's risk assessments remain attributed to the department.
This label describes the statement's response within the context above.
Sources
(2)
Official statement
DHS exclusion and removal order for DeepSeek products
Relevant passage: Appendix: order 2026-01, original release July 24, 2026, pages 1-4
About this source
The signed order requires exclusion from civilian procurement and removal from covered civilian systems, including third-party implementations. It provides an exception process and excludes national-security and compartmented systems from this order's scope.
- Author
- Markwayne Mullin; U.S. Department of Homeland Security
- Published
- Accessed
Official statement
Mao Ning's October 20 response to the U.S. DeepSeek restriction
Relevant passage: AFP question about U.S. agency restrictions and Mao Ning's answer
About this source
China's foreign ministry objects to politicizing technology and trade under national-security arguments. This is the ministry's statement, not a response issued by DeepSeek.
- Author
- Ministry of Foreign Affairs of the People's Republic of China
- Published
- Accessed
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Cite this record
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- The Dispute Index
- Title
- DHS bans DeepSeek from federal civilian systems; China objects to the national-security rationale
- First published
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- https://disputeindex.com/cases/dhs-deepseek-federal-civilian-ban-china-response
The Dispute Index. "DHS bans DeepSeek from federal civilian systems; China objects to the national-security rationale". First published: 2026-10-21. Last updated: 2026-10-21. https://disputeindex.com/cases/dhs-deepseek-federal-civilian-ban-china-response