If you’ve never used the Signal app yourself, our Consumer Technology Reporter Jamey Tucker says, you might want to use it for all of your text messages.

When you create an account and add your contacts, Signal will identify which of them are also using the app, making it easy to start secure conversations.

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 ...

President Trump recently discouraged the use of the Signal app after controversy over a group chat of administration officials detailed military plans.

The security of U.S. government officials’ communications has come under the spotlight again after a modified Signal app used to archive data from third-party messaging apps was hacked in less ...

Days after former National Security Adviser Mike Waltz was caught using a knock-off Signal app, a hacker broke into the system.

Last Wednesday, former national security advisor Mike Waltz was photographed at a cabinet meeting using TeleMessage, a modified version of Signal, the encrypted messaging app that has been the ...

Mike Waltz, the national security adviser for President Donald Trump, is seen in photos using Signal during a Cabinet meeting on April 30.

The messaging app "Signal" is making headlines again, after military plans were leaked in a group chat.