A Pentagon inspector general report concluded that Secretary of War Pete Hegseth sent sensitive, nonpublic strike information over the encrypted app Signal using his personal phone, a violation of ...

WASHINGTON (AP) — The Pentagon’s watchdog found that Defense Secretary Pete Hegseth put U.S. personnel and their mission at risk when he used the Signal messaging app to convey sensitive information ...

The company behind the Signal clone used by at least one Trump administration official was breached earlier this month. The hacker says they got in thanks to a basic misconfiguration. Only he wasn’t ...

A messaging service used by former National Security Advisor Mike Waltz has temporarily shut down while the company investigates an apparent hack. The messaging app is used to access and archive ...

The defense secretary sent sensitive information about strikes in Yemen to an encrypted group chat that included his wife and brother, people familiar with the matter said. By Greg JaffeEric Schmitt ...

WASHINGTON, March 31 (Reuters) - The Trump administration sought to put the scandal over its use of the Signal messaging app behind it on Monday, calling it case closed, even as the breach provoked ...

Washington — The Signal group chat that conveyed details of the timing and weapons descriptions of a planned attack against the Houthis in Yemen included the names or initials of 18 Trump officials ...

Well, the messaging app Signal has been in the news recently, thanks to a snafu in which prominent federal defense officials mistakenly added The Atlantic's editor-in-chief, Jeffrey Goldberg, to a ...

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 ...

Claims that former U.S. President Joe Biden's administration initially authorized the use of Signal by government officials spread in late March 2025 after The Atlantic reported national security ...

Signal, the most secure widely available messaging app, has become a go-to resource for journalists, leakers and other people concerned about privacy. But it’s not infallible. And its shortcomings and ...