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 robust ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s not clear whether the team at Signal believes the maxim that ...

Privacy-focused messaging app Signal announced on Monday that it's introducing a feature that allows users to back up their ...

Messaging app Signal is in the news, and not for anything positive. Defense Secretary and former Fox News contributor Pete Hegseth recently demonstrated how not to use a secure communications channel ...

Senior government officials mistakenly invited the editor in chief of the Atlantic to a group chat on the messaging app Signal, where the focus of conversation was U.S. airstrikes against rebel groups ...

With news this week of the messaging app being used to discuss war plans, we get you up to speed on what Signal should be used for—and what it shouldn’t. MIT Technology Review Explains: Let our ...

LONDON, UK — 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 ...

FILE PHOTO: U.S. President Trump meets Israeli PM Netanyahu in Washington (Reuters) -Top Trump administration officials used messaging app Signal to share war plans and mistakenly included a ...

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. Until Monday, many ...