The chat app, which is run by a nonprofit foundation, has been downloaded 220 million times. Here's what to know about Signal, including who owns it and whether it's safe to use. The messaging app ...

ALBUQUERQUE, N.M. (WHAT THE TECH?) — The messaging app “Signal” is making headlines again, after military plans were leaked in a group chat. The app didn’t fail, but did exactly what it’s supposed to ...

Signal has been the most high-profile app in the news lately because of the controversy surrounding its use by Defense Secretary Pete Hegseth. Signal is a secure messaging platform known for ...

The Signal chat, intended for administrative discussions, reportedly included about a dozen people and revealed the airstrike schedule. Signal is an end-to-end encrypted messaging app touted for its ...

An inspector general’s investigation into Defense Secretary Pete Hegseth’s use of the Signal messaging app to discuss sensitive military operations in Yemen with national security officials will likel ...

The Signal messaging app has rolled out end-to-end encrypted backups for users' messages, using the zero-knowledge proof ...

After messages from Mike Waltz's leaked chat on the Signal app went massively public months ago, he was ousted as President Donald Trump's top national security adviser. Now, he's up for a new ...

Defense Secretary Pete Hegseth used the Signal app on a personal computer in his office that was connected to the internet on an unsecured commercial line, what's known as a "dirty line," two sources ...

Signal is back in the headlines, but this time it's not for a security breach, but rather a high-profile example of how it's designed to work. Recent news highlighted an incident where classified ...