The federal office in charge of ensuring cybersecurity at all levels of the government cited the use of encrypted messaging app Signal as a "best practice" for "highly targeted" government officials, ...

The Signal app on a smartphone. Correspondent The Trump administration is facing heavy blowback for using Signal, a messaging app, to discuss sensitive military plans. On March 24, officials’ usage of ...

Over the last few years, Signal has become one of the most popular messaging apps. Favored by tech giants, cybersecurity experts, journalists, government officials, and many more, Signal has gone from ...

Add Yahoo as a preferred source to see more of our stories on Google. Highly sensitive attack plans on Iranian-backed militants in Yemen were seemingly accidentally shared with a journalist as they ...

Encrypted messaging service Signal is now testing usernames, which will offer people a more private way to share their contact details on the app. Signal kicked off the public test today through a new ...

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 ...

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 ...

End-to-end encrypted messaging app, Signal, is getting closer to launching a much anticipated feature that will allow users to share only a username in order to connect with other users, rather than ...