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 ...

To lock Signal, open its in-app settings and select "Screen Lock." It'll use the same security method and passcode that your ...

Instead, you need to open and register Signal on the new phone and select an iOS transfer. Then you use a QR code to connect the old and new iPhones and a transfer will begin. Be warned — that ...

You can invite someone to Signal using the "Invite Friends" menu in the app, which will send a text message or email.

Signal is a messaging app that uses end-to-end encryption to keep your messages private. When you send a message on Signal, the only people who can see it are the recipients. You can use the Signal ...

We have probably all done it: Gossiped about a friend in an email, only to discover we accidentally included the friend in the correspondence. Or dashed off a sensitive text to Gene, our friend, and ...

LONDON — 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 ...

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 ...

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 ...

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 ...