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 ...

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

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

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

A Department of Defense memo from 2023 under the Biden administration detailed that while Signal was approved for some use by government officials, they could not use the platform to "access ...

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

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.

Senior administration officials have struggled to explain why the publicly available app was used to discuss such a delicate ...