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

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

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 ...

Meredith Whittaker is using the AWS outage as an opportunity to highlight the ‘concentration of power’ in the cloud ...

The company behind the Signal clone used by at least one Trump administration official was breached earlier this month. The hacker says they got in thanks to a basic misconfiguration. Only he wasn’t ...

Lindsey Halligan faces scrutiny over claims she used Signal to talk about a politically sensitive prosecution.

Former White House national security advisor Mike Waltz and other Trump officials appear to be communicating on a modified version of Signal, despite President Donald Trump discouraging use of the ...

The version of Signal that recently ousted national security adviser Mike Waltz was caught checking during a Cabinet meeting Wednesday is an unofficial edition of the app meant to archive messages, ...

Mike Waltz, Trump’s former national security adviser who was removed from his post in May following the “Signalgate” scandal, blamed the Biden administration while explaining his use of Signal, the ...

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 ...