The company behind the Signal clone used by at least one Trump administration official was breached earlier this month. The ...

TeleMessage drew media attention after a Reuters photograph showed Mike Waltz checking its version of Signal during a cabinet ...

First, in what became known as ‘Signalgate’, he erroneously added a journalist to a Signal group chat where national security leaders discussed an upcoming military operation in Yemen. Waltz was later ...

Donald Trump's national security adviser Mike Waltz has already been ousted for using a crappy Signal clone — but the fallout from that debacle just keeps going. As Reuters reports, a hacker who ...

Days after former National Security Adviser Mike Waltz was caught in photos using a Signal dupe called TeleMessage Signal, or TM SGNL, a hacker broke into the app and was able to access sensitive data ...

Outgoing National Security Advisor Mike Waltz was photographed during a Cabinet meeting using an app labeled "TM SGNL". The app, which appeared to be a modified version of the encrypted messaging ...

Days after former National Security Adviser Mike Waltz was caught in photos using a Signal dupe called TeleMessage Signal, or TM SGNL, a hacker broke into the app and was able to access sensitive ...

TeleMessage TM SGNL, a version of the Signal messaging app, contains a hidden functionality vulnerability in which the archiving backend holds cleartext copies of messages from TM SGNL application ...