The Trump administration is facing heavy blowback for using Signal, a messaging app, to discuss sensitive military plans. On March 24, officials’ usage of the app was revealed after The Atlantic ...

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 ...

TeleMessage, which was acquired by Oregon-based Smarsh in 2024, says it's shut the app down for now. "TeleMessage is investigating a potential security incident," a company spokesperson told The ...

Get the latest federal technology news delivered to your inbox. A federal judge in Washington, D.C. ordered relevant agencies Thursday to preserve all communications between March 11 and March 15 in a ...

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 ...

The messaging app Signal is making headlines again, with the news that U.S. Defense Secretary Pete Hegseth used it for a chat with his wife, his personal lawyer and others in which he shared sensitive ...

The “knock-off” Signal app Mike Waltz was caught using, which lacks security guarantees, can be hacked in “15 to 20 minutes,” according to a report. “I would say the whole process took about 15 to 20 ...

Defense Secretary Pete Hegseth used the Signal app to discuss timing of a March 15 strike against Houthis in Yemen. The Pentagon’s acting inspector general has launched a review into whether the use ...

After messages from Mike Waltz's leaked chat on the Signal app went massively public months ago, he was ousted as President Donald Trump's top national security adviser. Now, he's up for a new ...

The chat app, which is run by a nonprofit foundation, has been downloaded 220 million times. Here's what to know about Signal, including who owns it and whether it's safe to use. The messaging app ...