Signal, an encrypted messaging app hailed for its robust privacy features, recently found itself at the center of a security scandal involving high-ranking U.S. officials. The issue started when ...

Highly sensitive attack plans on Iranian-backed militants in Yemen were seemingly accidentally shared with a journalist as they were happening when top Trump administration officials included Jeffrey ...

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 ...

We have probably all done it: Gossiped about a friend in an email, only to discover we accidentally included the friend in the correspondence. Or dashed off a sensitive text to Gene, our friend, and ...

When top White House defense and national security leaders discussed plans for an attack on targets in Yemen over messaging app Signal, it raised many questions about operational security and ...