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 ...

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 ...

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 ...

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 used for—and what it shouldn’t. MIT Technology Review Explains: Let our ...

The Signalgate scandal that enveloped US Secretary of Defense Pete Hegseth in March appears to be symptomatic of a wider lax attitude towards the use of non-approved messaging apps by officials and ...