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 ...

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, ...

Rahul Naskar has years of experience writing news and features related to Android, phones, and apps. Outside the tech world, he follows global events and developments shaping the world of geopolitics.

Jeffrey Goldberg, editor-in-chief of The Atlantic, said in a report on Monday that U.S. national security adviser Mike Waltz accidentally added him on March 13 to an encrypted chat group on the Signal ...