Pete Hegseth has been accused of leaving himself open to hacking by America’s enemies by using his personal phone number in a top-security Signal chat that was easily accessible on numerous internet ...

Add Yahoo as a preferred source to see more of our stories on Google. Signal is considered one of the most secure messengers. However, the app could disappear from the European market if an EU ...

A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive information is ...

Senior Trump administration officials continued using Signal, a private messaging app, after last year’s embarrassing leak when a reporter was added to a group chat discussing sensitive military ...

WASHINGTON — Defense Secretary Pete Hegseth on Tuesday defended his sharing of sensitive military details for a second time using the Signal messaging app while faulting Pentagon officials who were ...

Last Wednesday, former national security advisor Mike Waltz was photographed at a cabinet meeting using TeleMessage, a modified version of Signal, the encrypted messaging app that has been the source ...

Secretary of State Marco Rubio, like most federal officials, is legally required to retain records that he creates as part of his job. So it was no surprise that his office ended up in court last year ...