Joe Kent, who is Mr. Trump's nominee to run the National Counterterrorism Center, was on the Signal chat as a point of contact for Director of National Intelligence Tulsi Gabbard, and his Venmo ...

A high-profile data leak sheds light on a privacy app popular among journalists and Beltway types. Is it safe?

There are computer systems designed to discuss war plans and other secrets. They are accessible only in secured rooms, and it ...