Story perspectives

Homeland Security Bans DeepSeek AI for Civilian Agencies

By Drooid · Oct 20, 2026, 3:35 AM UTC · How we work

Summary

Story summary

U.S. Department of Homeland Security Secretary Markwayne Mullin banned DeepSeek AI for civilian federal agencies.
The ban, under the Federal Acquisition Supply Chain Security Act, took effect at the end of July 2026.
It applies to civilian agencies such as Treasury, State and Justice, but excludes the Department of Defense.
Mullin said DeepSeek models store data in China and present multiple threat vectors to U.S. systems.
The order requires agencies to remove existing DeepSeek installations and halt future procurements.

1 of 1

Story summary

U.S. Department of Homeland Security Secretary Markwayne Mullin banned DeepSeek AI for civilian federal agencies.
The ban, under the Federal Acquisition Supply Chain Security Act, took effect at the end of July 2026.
It applies to civilian agencies such as Treasury, State and Justice, but excludes the Department of Defense.
Mullin said DeepSeek models store data in China and present multiple threat vectors to U.S. systems.
The order requires agencies to remove existing DeepSeek installations and halt future procurements.