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 ...

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 information is ...

The Signal encrypted messaging application is seen on a mobile device in this illustration photo taken in Warsaw, Poland on 26 March, 2025. (Photo by Jaap Arriens/NurPhoto) I don’t know very much ...

Almost immediately after news broke that US government officials had inadvertently shared war plans with a journalist last week, misinformation began to fly. Much of it had to do with the inner ...

But Signal isn't the only messaging app that uses end-to-end encryption, and end-to-end encryption isn't the only consideration in choosing a secure messaging app. In addition, secure messaging apps ...