A Pentagon inspector general report concluded that Secretary of War Pete Hegseth sent sensitive, nonpublic strike information over the encrypted app Signal using his personal phone, a violation of ...

Secretary of Defense Pete Hegseth risked compromising sensitive military information, which could have endangered American troops and mission objectives, when he used Signal in March of this year to ...

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 ...

"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 ...

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 ...

Signal Messenger is warning the users of its Windows Desktop version that the privacy of their messages is under threat by Recall, the AI tool rolling out in Windows 11 that will screenshot, index, ...

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 ...

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 ...

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 ...

Claims that former U.S. President Joe Biden's administration initially authorized the use of Signal by government officials spread in late March 2025 after The Atlantic reported national security ...

Signal, the most secure widely available messaging app, has become a go-to resource for journalists, leakers and other people concerned about privacy. But it’s not infallible. And its shortcomings and ...