The encryption protecting communications against criminal and nation-state snooping is under threat. As private industry and governments get closer to building useful quantum computers, the algorithms ...

The Signal Foundation president recalls where she was when she heard Trump cabinet officials had added a journalist to a highly sensitive group chat. Of course, you know the rest: In the piece, The ...

The Pentagon’s internal watchdog has completed a monthslong review of Secretary of Defense Pete Hegseth’s use of Signal to discuss sensitive military operations and has submitted its findings to ...

"Our results don't solve the mystery of the Wow! Signal, but they give us the clearest picture yet of what it was and where it came from." When you purchase through links on our site, we may earn an ...

WASHINGTON – Defense Secretary Pete Hegseth divulged classified information in March from battlefield commanders about the U.S. attack on Houthi rebels in a chat on the commercial messaging app Signal ...

Signal has updated its Windows app to protect users' privacy by blocking Microsoft's AI-powered Recall feature from taking screenshots of their conversations. This new privacy feature, dubbed "screen ...

A hacker has exploited a vulnerability in TeleMessage, which provides modded versions of encrypted messaging apps such as Signal, Telegram, and WhatsApp, to extract archived messages and other data ...

It was connected to the internet on an unsecured commercial line, sources said. Defense Secretary Pete Hegseth used the Signal app on a personal computer in his office that was connected to the ...

After The Atlantic published the contents of a text chat among high-ranking members of the Trump administration about forthcoming airstrikes on Yemen, multiple officials involved conceded that adding ...

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This is your signal to invest in secure messaging. After The Atlantic’s editor-in-chief, Jeffrey Goldberg, was mistakenly added to a Signal group chat involving top White House officials, it begs 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 ...