WASHINGTON — The Trump administration struggled Wednesday to stem the fallout from revelations that top national security officials discussed sensitive attack plans over a messaging app ... the ...

Jack Cushman gives readers a primer on Signal's privacy capabilities in light of the Atlantic's editor in chief being added to a group chat used by American leaders to plan military actions in Yemen.

Until recent news involving the Signal app, it was a relatively unknown messaging app compared with WhatsApp to many ...

Signal is a powerful encrypted messaging app, but it’s not infallible. Learn why it’s great for privacy, yet risky for ...

Signal is an end-to-end encrypted messaging app that is considered one of the most secure in the world by security ...

In a recent political storm, President Donald Trump has reaffirmed his support for National Security Adviser Mike Waltz following a significant incident involving a private chat on the messaging app ...

Signal is a messaging app. You download it to your iOS or Android device, link your phone number, and you’re ready to go — ...

Another sticky spot is that government regulations require a record of communication. Signal—and other secure messaging ...

Military experts said that Hegseth's Signal texts included sensitive operational details about military action, which is akin ...

We've answered all of this and more in our one-stop explainer about the app that's in the eye of a political storm. With ...