Current and former US officials have told CNN they believe two texts sent by national security adviser Mike Waltz and CIA ...

The claim spread after The Atlantic reported that Trump officials accidentally added the publication's editor-in-chief to a ...

T he Trump administration is facing heavy blowback for using Signal, a messaging app, to discuss sensitive military plans. On ...

A Biden-era Cybersecurity and Infrastructure Security Agency (CISA) best guidance document shows highly-targeted government ...

The story of how national security officials used the Signal encrypted app to discuss a planned attack on terrorists in Yemen ...

Defense Secretary Pete Hegseth and other Trump officials allegedly used Signal for a group chat to discuss a highly sensitive operation.

The best is to be there." Mr. Trump said Signal is the "No. 1 device or app that is used" that he had asked Waltz to explore its use by government officials. Meanwhile, Democratic lawmakers are ...

A magazine journalist’s account of being added to a group chat of US national security officials coordinating plans for ...

Lawyers for Kevin Menon suggest Las Vegas police officials have been using Signal, the messaging app national security ...

A group chat — called “Strike Force” — was created in the encrypted messaging app for the mayor and 14 of his advisers on Jan. 15, in the days before President Donald Trump ...

A dozen current and former officials confirmed that the encrypted messaging app is used across various agencies — despite warnings about the app’s security vulnerabilities.