Here's what to know about the messaging app used by Trump Administration officials to discuss military strikes on Yemen.

Encrypted messaging app Signal continues to see spiking downloads in the wake of the messaging scandal that saw The Atlantic’s editor-in-chief Jeffrey Goldberg added to a group chat where high-ranking ...

When top White House defense and national security leaders discussed plans for an attack on targets in Yemen over the messaging app Signal, it raised many questions about operational security and ...

Signal founder Moxie Marlinspike joked that “Signalgate” is one of the many reasons to use the app. Steve Jennings/Getty Images for TechCrunch Last week’s revelations about a group chat among top ...

The security of U.S. government officials’ communications has come under the spotlight again after a modified Signal app used to archive data from third-party messaging apps was hacked in less than 30 ...

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet meeting, more than a month after he first came under intense scrutiny for ...

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Pinal County Attorney Brad Miller has denied that he uses the encrypted messaging app Signal to shield work communications from public records scrutiny, as alleged in a notice of claim letter sent to ...