Add Yahoo as a preferred source to see more of our stories on Google. Signal, the most secure widely available messaging app, has become a go-to resource for journalists, leakers and other people ...

Amid the fallout regarding a Signal chat among senior national security officials that inadvertently included The Atlantic Editor-in-Chief Jeffrey Goldberg, tech expert Ken Colburn of Data Doctors ...

The Trump administration is facing heavy blowback for using Signal, a messaging app, to discuss sensitive military plans. On March 24, officials’ usage of the app was revealed after The Atlantic ...

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 ...