A new analysis of TM Signal’s source code appears to show that the app sends users’ message logs in plaintext. At least one ...

TeleMessage, an encrypted messaging app based upon Signal, has been temporarily suspended out of "an abundance of caution" ...

Sen. Ron Wyden (D-Ore.) is calling on the Department of Justice to investigate the risks associated with Trump administration ...

Three federal departments prohibited their employees from accessing TeleMessage — a message archiving app that former ...

TeleMessage, a messaging app used by Trump adviser Mike Waltz, has suspended services after a hacker accessed sensitive ...

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In a concerning turn of events for cybersecurity, TeleMessage, an app used by former National Security Advisor Mike Waltz to ...

Tulsi Gabbard, now the US director of national intelligence, used the same easily cracked password for different online ...

TeleMessage's modified Signal app, TM SGNL, used by Trump officials, has been found to allow plaintext chat access, leading ...

Retired Brig. Gen. Anthony Tata, President Trump’s pick for a top Pentagon post, came under fire at his Senate confirmation ...

TeleMessage, a messaging application employed by former U.S. National Security Adviser Mike Waltz, has suspended its services following a cyberattack that compromised sensitive government and ...

How long will the conclave last? NBC News’ Steve Kornacki explains the history behind past elections to pick a new pope, ...