Pete Hegseth, a close ally of US President Donald Trump, reportedly discussed Pentagon business on at least 12 separate ...

TeleMessage, an Israeli company that sells an unofficial Signal message archiving tool used by some U.S. government officials ...

A messaging service used by former National Security Advisor Mike Waltz has temporarily shut down while the company ...

Trump previously discouraged his officials from using Signal following “Signalgate,” when Mike Waltz added a journalist to a ...

A clone of the messaging app Signal, which was being used by since-ousted national security advisor Mike Waltz during a ...

A hacker breached TeleMessage, a government-approved messaging app used by Trump administration officials, exposing archived ...