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 ...

Top Trump administration officials used the messaging app Signal to debate highly sensitive plans for bombing Yemen and accidentally included the editor-in-chief of The Atlantic in a group text in the ...

March 25 (Reuters) - Top Trump administration officials used messaging app Signal to share war plans and mistakenly included a journalist in the encrypted chat, spurring calls by Democratic lawmakers ...

The chat app, which is run by a nonprofit foundation, has been downloaded 220 million times. Here's what to know about Signal, including who owns it and whether it's safe to use. The messaging app ...

Messaging app Signal is in the news, and not for anything positive. Defense Secretary and former Fox News contributor Pete Hegseth recently demonstrated how not to use a secure communications channel ...

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 ...