A photo taken by Reuters' Evelyn Hockstein during a Cabinet meeting Wednesday shows Waltz holding his phone below the table, with the encrypted-texting app open and visible. It also shows Waltz in ...

WTF?! Recall is shaping up to be a security and privacy nightmare – and one of the most popular messaging platforms is already trying to patch the hole. Signal's developers are now resorting to a ...

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 ...

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 ...

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet meeting, more than a month after he first came under intense scrutiny 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 ...

Defense Secretary Pete Hegseth reportedly directed a desktop computer in his Pentagon office be installed with the messaging app Signal, adding another layer to the controversy around his use of the ...

LONDON (AP) — 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 ...

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 ...