The federal office in charge of ensuring cybersecurity at all levels of the government cited the use of encrypted messaging app Signal as a "best practice" for "highly targeted" government officials, ...

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 ...

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet meeting, more than a month after he first came under intense scrutiny for ...

The review will also look at other defense officials use of the the publicly available encrypted app, which is not able to handle classified material. U.S. Secretary of Defense Pete Hegseth attends a ...

A few weeks ago we witnessed an incident where military leaders inadvertently included a reporter in what was supposed to be a closed, secure communication channel, all due to the use of the Signal ...

The defense secretary has insisted no classified information was shared. A monthslong investigation into Defense Secretary Pete Hegseth's use of the commercial messaging app Signal is complete and its ...

TeleMessage, the app that President Donald Trump’s former national security adviser, Mike Waltz, appeared to use to archive his group chats, has suspended all services after hackers claimed to have ...