The company behind the Signal clone used by at least one Trump administration official was breached earlier this month. The hacker says they got in thanks to a basic misconfiguration.

Signal has been the most high-profile app in the news lately because of the controversy surrounding its use by Defense Secretary Pete Hegseth. Signal is a secure messaging platform known for end ...

Photo appears to show Mike Waltz using Signal-like app that can archive messages More than a month after he drew criticism for using Signal to discuss an impending military attack, Waltz was seen ...

Defense Secretary Pete Hegseth directed the installation of Signal, a commercially available messaging app, on a desktop computer in his Pentagon office, said three people familiar with the matter ...