A popular messaging app called Signal was recently the preferred communications platform for top officials in the Trump administration to discuss secret war plans. But the use of the app, widely ...

LONDON (AP) — 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 ...

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 ...

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 ...

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 ...

Democratic Sen. Mark Warner criticized Director of National Intelligence Tulsi Gabbard for discussing highly classified U.S. war plans using a nongovernment messaging service. Photo: Saul ...

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 ...

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 ...

LONDON, UK — 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 ...

With news this week of the messaging app being used to discuss war plans, we get you up to speed on what Signal should be used for—and what it shouldn’t. MIT Technology Review Explains: Let our ...

New York (CNN) — 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 ...