FAIL · AI INCIDENT TRACKER

wire / 2026-10-19-629f

US Bans Chinese AI Firm DeepSeek from Federal Agencies Over Security and Economic Risks

October 19, 2026 · USA HAZARD ECONOMICSAFETY

DHS has banned DeepSeek from federal agencies. Wall Street had registered its own objection earlier.

The facts

The US Department of Homeland Security has banned federal agencies from using Chinese AI company DeepSeek's products, citing cybersecurity, data transfer, and intelligence risks. The ban follows DeepSeek's AI models causing a major Wall Street selloff, highlighting both realized economic harm and ongoing national security concerns.