Defense Secretary Pete Hegseth directed the installation of Signal, a commercially available messaging app, on a desktop computer in his Pentagon office, said three people familiar with the matter, ...

Nowadays, very few smartphone users can get by without a messenger app. WhatsApp is the absolute market leader here, but there are other apps for chatting with friends and family. One of these ...

The app facilitated communications in a building where cell service is poor and personal phones are not allowed in some areas. By Eric Schmitt and Greg Jaffe Defense Secretary Pete Hegseth had the ...

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 ...

Defense Secretary Pete Hegseth directed the installation of Signal, a commercially available messaging app, on a desktop computer in his Pentagon office, said three people familiar with the matter, ...