President Donald Trump has moved speedily to revoke the security clearances of some of his former allies, as well as those of ...

The Department of Homeland Security, as part of an evaluation of its election security mission, said on Tuesday that ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has placed several members of its election security team on ...

Both former President Joe Biden and President Trump have barred their predecessor access to classified information. But ...