On Monday, a report from 404Media found that a hacker obtained direct messages and CBP contact information from TeleMessage ...

The messaging app used by some members of the Trump administration and the US government has been hacked, according to a new ...

After a hacker reportedly stole data from TeleMessage Signal that included references to CBP, the agency has now confirmed ...

Signal updates its messenger software. It can now send time-controlled voice messages on Android, for example.

TeleMessage, a messaging application employed by former U.S. National Security Adviser Mike Waltz, has suspended its services ...

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

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

Ahead of the conclave to elect a new pope, a chimney has been installed atop the Sistine Chapel to signal when a new pontiff has been selected. NBC News' Anne Thompson describes how it works.

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