Defense Secretary Pete Hegseth reportedly directed a desktop computer in his Pentagon office be installed with the messaging app Signal, adding another layer to the controversy around his use of the ...

High-level Trump officials used the digital messaging app Signal to communicate sensitive details about an impending military ...

Secretary of Defense Pete Hegseth reportedly had the messaging app Signal set up on several Pentagon office computers in an effort to get around a ban on personal phones. According to the Washington ...

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 ...

WASHINGTON, April 2 (Reuters) - The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the commercial Signal app to coordinate official ...

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 ...