Lawmakers in the House are proposing to ban the Chinese artificial intelligence app DeepSeek from U.S. government devices. Democratic Rep.

WASHINGTON—Lawmakers introduced a bill Thursday to ban DeepSeek’s chatbot application from government-owned devices, over new security concerns that the app could provide user information to the Chinese government.

The Japanese government has warned its ministries and agencies to refrain from using artificial intelligence developed by the Chinese startup DeepSeek amid widespread concerns about the company’s handling of personal information.