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" ...

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

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

This breach comes just months after Smarsh announced a new Public Sector Division aimed at helping government agencies communicate securely while meeting compliance laws. But the breach could now ...

The communications app used by Trump's former national security adviser, Mike Waltz, said that it had suspended services following a reported hack that exposed some of its messages.

President Donald Trump has ousted National Security Adviser Mike Waltz and announced that he will nominate him as the next ...

TeleMessage, an unofficial version of Signal, has suspended services after a security breach allegedly exposed user messages.

In one case, he told aides on the encrypted app to inform foreign governments about an unfolding military operation.

A phone app that Mike Waltz, President Donald Trump’s former national security adviser, apparently used to save his text ...