The defense secretary has insisted no classified information was shared.

Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real ...

The Signalgate scandal that enveloped US Secretary of Defense Pete Hegseth in March appears to be symptomatic of a wider lax ...

The Pentagon’s watchdog has found that Defense Secretary Pete Hegseth put U.S. personnel and mission at risk when he used the Signal messaging app to convey sensitive information about a military ...

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 ...

Democrats stretching back nearly a decade have touted the use of the encrypted messaging app Signal, long before the Trump administration came under the national spotlight for using the app to discuss ...

Question: What’s the difference between Signal and WhatsApp, and should I switch? Answer: Until recent news involving the Signal app, it was a relatively unknown messaging app compared with WhatsApp ...

LONDON (AP) — 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 ...

Signal has been the most high-profile app in the news lately because of the controversy surrounding its use by Defense Secretary Pete Hegseth. Signal is a secure messaging platform known for ...

A popular messaging app called Signal was recently the preferred communications platform for top officials in the Trump administration to discuss secret war plans. But the use of the app, widely ...

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 ...

Encrypted messaging app Signal continues to see spiking downloads in the wake of the messaging scandal that saw The Atlantic’s editor-in-chief Jeffrey Goldberg added to a group chat where high-ranking ...