As the White House comes under fire for allegedly using Signal to discuss foreign policy plans, the encrypted messaging platform has now come into the spotlight.

In this photo illustration, a mobile device displays the Signal company logo while a laptop displays the webpage of the messaging app, on March 25, 2025 in Copenhagen, Denmark. (Photo by Leon Neal ...

If you hadn’t heard of Signal before Monday, chances are you have now. The secure messaging app, available for iPhones and Android devices, has long been popular with journalists because of its ...

Signal, a text-and-voice app that is a little over a decade old, is seen as the gold standard for end-to-end encrypted communications, according to mobile security experts. It has been widely ...