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 ...

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 ...

The security of U.S. government officials’ communications has come under the spotlight again after a modified Signal app used to archive data from third-party messaging apps was hacked in less than 30 ...

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 ...

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 ...

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 information is ...