A popular messaging app called Signal was recently the preferred communications platform for top officials in the Trump administration to discuss secret war plans. But the use of the app, widely ...

Signal's founder, Moxie Marlinspike, poked fun at the military group-chat leak in a post on X. He used the incident as an opportunity to ironically promote the platform. US officials, however, have ...

If you hadn’t heard of Signal before Monday, chances are you have now. The secure messaging app, available for iPhones and Android devices, has long been popular with journalists because of its robust ...

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Meredith Whittaker remembers exactly where she was when she read the story that would spark the first major crisis of the second Trump Administration—the debacle that became known as Signal-gate. 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 ...