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

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 ...

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

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

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

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

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

Hackers say they have breached the message archiving system Trump officials have adopted since the Signal chat debacle in ...