A third top Pentagon official was placed on administrative leave Wednesday in the fallout of a major leak of sensitive U.S.

WhatsApp uses Signal's encryption protocol, so your chats and calls are just as end-to-end encrypted as those on Signal. But ...

Standards and accountability are missing in action with the Republican Party and Trump Administration. The recent security ...

To get at the general settings for Signal, from the Chats tab tap the three dots (top right) then Settings on Android, or tap ...

Top Trump administration officials used messaging app Signal to share war plans and mistakenly included a journalist in the ...

A Pentagon-wide advisory that went out one week ago warned against using Signal, the messaging app, even for unclassified ...

Signal is a free app that cybersecurity experts consider to be one of the most secure messaging services because of its ...

US president defends key security official after journalist says he was added to group chat about air strikes.

With news this week of the messaging app being used to discuss war plans, we get you up to speed on what Signal should be ...

Defense Secretary Pete Hegseth and other Trump officials allegedly used Signal for a group chat to discuss a highly sensitive operation.

The president of Signal defended the messaging app's security on Wednesday after top Trump administration officials ...

The president of Signal defended the security of the encrypted messaging app on Tuesday after a bombshell report revealed top Trump administration officials used the app to discuss airstrike plans ...