In the aftermath of the Signal group chat incident, Waltz sought counsel from JD Vance and others in the vice-president’s circle on how to repair his relationships.

The desktop version of Signal now includes a new "Screen security" feature designed to block external programs – and even Windows 11 – from capturing screenshots of the app window.

TeleMessage, an Israeli company that sells an unofficial Signal message archiving tool used by some U.S. government officials, has suspended all services after reportedly being hacked.

Mike Waltz is expected to be removed from his position as US National Security Advisor after a security breach involving the Signal app. Waltz mistakenly included a journalist in a group chat ...

A Reuters photographer captured an image of Michael Waltz’s phone screen during a White House cabinet meeting, a day before he was ousted from his job as national security adviser.

Records show defense contractors lost security clearances when they had no intention to leak information or were using unauthorized technology for convenience.

The Trump administration's IT team members investigated how Atlantic editor-in-chief Jeff Goldberg was added to a Signal group chat with high-ranking senior officials.

National security adviser Mike Waltz's team has reportedly created 20 group chats on the commercial Signal app to coordinate official work on issues ranging from Ukraine, China and Gaza to Middle ...

Inside the hazy, fractured mess of Signal use in the government A dozen current and former officials confirmed that the encrypted messaging app is used across various agencies — despite warnings ...

The news of Trump officials using Signal for a group chat on military operations has raised many questions about just how secure such messaging apps are and the risks if government officials use ...

Secure messaging app Signal has been in the spotlight this week for national-security reasons, but companies can also learn lessons from the Trump administration’s misstep.

In the leaked Signal chat, JD Vance's initial objection to a strike on Yemen — and Pete Hegseth's response to it — illustrate Trump's foreign policy goals.