Signal, the favorite chat app for spies and journalists, got an unusual kind of endorsement this week after U.S. national-security officials were revealed to be using Signal to share information about ...

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 ...

Serious national security concerns have been brought to the forefront this week — and they’re linked to a secure messaging app called Signal. White House staffers have come under fire after allegedly ...

Senior government officials mistakenly invited the editor in chief of the Atlantic to a group chat on the messaging app Signal, where the focus of conversation was U.S. airstrikes against rebel groups ...

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 ...

National security officials texted war plans for military strikes in Yemen to a group chat in the secure messaging app that included the editor-in-chief for The Atlantic. FILE - An image of the Signal ...

Trump officials have come under fire for using the app to discuss war plans. As the White House comes under fire for allegedly using Signal to discuss sensitive foreign policy plans, the encrypted ...

Signal is one of the most secure encrypted chat apps, but it isn’t infallible. BlackCloak founder and CEO Chris Pierson joins Katy Tur to explain more about the app after top Trump administration ...