Defense Secretary Pete Hegseth directed the installation of Signal, a commercially available messaging app, on a desktop computer in his Pentagon office, said three people familiar with the matter ...

American Oversight has broadened its lawsuit against Trump administration officials, demanding the preservation of Signal app messages. This follows reports of Pete Hegseth sharing Yemen military ...

By Eric Schmitt and Greg Jaffe Defense Secretary Pete Hegseth had the consumer messaging app Signal set up on a computer in his office at the Pentagon so that he could send and receive instant ...

Defense Secretary Pete Hegseth is facing growing scrutiny over his use of the commercial messaging app Signal to discuss U.S. military operations, including operational details about strikes in Yemen.

Signal and WhatsApp are both end-to-end encrypted messaging apps, but they differ in ownership and data collection practices. WhatsApp, owned by Meta, collects metadata on users, while Signal, a ...

Also Thursday, Trump fired several National Security Council staffers who apparently were associated with Signal chat blunder.

Defense Secretary Pete Hegseth shared details about impending U.S. airstrikes in Yemen with a private Signal group that included his wife, brother and personal attorney, according to sources ...

It was connected to the internet on an unsecured commercial line, sources said. Defense Secretary Pete Hegseth used the Signal app on a personal computer in his office that was connected to the ...

The Trump administration’s Signal chat leak represents the "profound" risk of "uncontrolled communication," which could have implications on future operations, a former national intelligence ...

Defense Secretary Pete Hegseth allegedly shared attack plans in a Signal chat including his wife, brother and personal lawyer, The New York Times reported Sunday, citing four people familiar with ...

on Monday signaled he wouldn't tolerate Defense Secretary Pete Hegseth allegedly once again sharing sensitive information about military operations in a Signal group chat. "If the reporting is ...

Hegseth aides warned him several days before the strikes not to discuss sensitive information via Signal, one unnamed source told The Times, and several urged him not to use his personal phone to ...