The Signal app on a smartphone. Correspondent The Trump administration is facing heavy blowback for using Signal, a messaging app, to discuss sensitive military plans. On March 24, officials’ usage of ...

Over the last few years, Signal has become one of the most popular messaging apps. Favored by tech giants, cybersecurity experts, journalists, government officials, and many more, Signal has gone from ...

Add Yahoo as a preferred source to see more of our stories on Google. Highly sensitive attack plans on Iranian-backed militants in Yemen were seemingly accidentally shared with a journalist as they ...

Mike Waltz and Signal leaks — name a more iconic duo. Just weeks after accidentally inviting a journalist into a Signal group chat about a classified military op in Yemen, the (now former) National ...

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 ...

Signal has been the most high-profile app in the news lately because of the controversy surrounding its use by Defense Secretary Pete Hegseth. Signal is a secure messaging platform known for ...

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 ...

LONDON — A magazine journalist’s account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive ...

Aimee Picchi is the associate managing editor for CBS MoneyWatch, where she covers business and personal finance. She previously worked at Bloomberg News and has written for national news outlets ...

Signal founder Moxie Marlinspike joked that “Signalgate” is one of the many reasons to use the app. Steve Jennings/Getty Images for TechCrunch Last week’s revelations about a group chat among top ...

An encrypted messaging app called Signal is drawing attention and questions after top Trump officials — including Defense Secretary Pete Hegseth and Vice President JD Vance — allegedly used the ...