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 ...

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 ...

Signal is back in the headlines, but this time it's not for a security breach, but rather a high-profile example of how it's designed to work. Recent news highlighted an incident where classified ...

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 ...