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 ...

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 ...

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 ...

Open Whisper Systems, a provider of security-related technologies and apps for mobile devices, has started rolling out an Android version of its private messaging and calling iOS app Signal. In doing ...

Republican prosecutor Brad Miller denied that he has Signal on his phone, but Phoenix New Times has seen the messages.

Defense Secretary Pete Hegseth directed the installation of Signal, a commercially available messaging app, on a desktop computer in his Pentagon office, said three people familiar with the matter, ...

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 ...

TeleMessage, an instant communications app used by some US Government officials, has reportedly been hacked, with private messages stolen. A report from 404 Media says a hacker broke into, and stole ...