A group of President Donald Trump’s cabinet members who inadvertently included the editor of the Atlantic in their Signal ...

Revelations about the defense secretary’s passwords came after he discussed details of planned U.S. airstrikes on a messaging ...

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 ...

They did, however, discover a largely overlooked behavior that should give some group messaging users pause: Like other messengers billed as secure—with the notable exception of Signal—WhatsApp ...

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 ...