It turns out no one was clean on OPSEC DEF CON  On Saturday at DEF CON, security boffin Micah Lee explained just how he published data from TeleMessage, the supposedly secure messaging app used by ...

US ambassador to the UN nominee Mike Waltz was forced to confront “Signalgate” during his Senate confirmation hearing Tuesday — and insist he wasn’t technically fired as national security ...

Former National Security Advisor Mike Waltz faced scrutiny over a Signal chat incident during his U.N. ambassador hearing before the Senate Foreign Relations Committee.

Former national security adviser Mike Waltz defended his use of the messaging app Signal during a confirmation hearing Tuesday during which lawmakers largely avoided the topic.

Mike Waltz’s nomination to serve as the US ambassador to the United Nations cleared a key hurdle Thursday, inching the former National Security Advisor closer to getting confirmed by the Senate.

Former national security adviser Mike Waltz defended his use of the encrypted Signal app during a Senate confirmation hearings Tuesday on his nomination as President Trump's ambassador to the U.N.

Mike Waltz painted an image for lawmakers Tuesday of what the United Nations would look like as the U.S. reviews its support, opting to go “back to basics” under a Trump administration push to ...

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 ...

Mike Waltz, President Donald Trump’s nominee for U.S. ambassador to the United Nations, was unable to escape the Signalgate controversy that led to his ousting as national security adviser ...

Sen. Cory Booker attacked former national security advisor Mike Waltz for not taking greater accountability for his role in a Signal group chat used to discuss strikes against the Houthis.

WASHINGTON – Former Trump national security adviser Michael Waltz told senators during a contentious confirmation hearing that "no classified" information was discussed in a controversial Signal ...

Mike Waltz is one step closer to becoming the U.S ambassador to the United Nations after Sen. Jeanne Shaheen (D-NH) helped Republicans advance him to the Senate floor on Thursday. In a 12-10 vote ...