Privacy-focused messaging app Signal has been flying high in the Dutch app stores this past month, often sitting at the top as the most downloaded free app on iOS and ...

A messaging service used by former National Security Advisor Mike Waltz has temporarily shut down while the company investigates an apparent hack. The messaging app is used to access and archive ...

A popular messaging app called Signal was recently the preferred communications platform for top officials in the Trump administration to discuss secret war plans. But the use of the app, widely ...

The app, which was introduced in 2014 and has hundreds of millions of users, is widely viewed as the safest messaging tool because of its encryption technology. By Kate Conger Reporting from San ...