A German news website said it was "particularly easy" to obtain Pentagon chief Pete Hegseth's private contact information.

The Trump administration is facing backlash after unredacted Social Security numbers were exposed in newly released JFK assassination files, prompting emergency mitigation efforts and legal concerns.

Amid the furore around the US government's data leak, in which a journalist was added to a social media group chat between ...

Now Myatt is among some military spouses and veterans questioning the White House's own adherence to ... Although Trump has downplayed the security breach as a “glitch,” Myatt found it deeply ...

The Pentagon has warned a vulnerability has been discovered within the Signal messaging app that's being exploited by Russian ...

When it rains, it pours—at least that’s the case for Mike Waltz and the country’s top national security officials this week.

U.S. security officials' private contact information and passwords have been found online within days of the Signal scandal.

Trump’s national security adviser is trying to manage his way out of a crisis. But new revelations about his team’s ...

According to three officials who spoke to the Washington Post, members of President Trump's National Security Council, ...

President Trump said his national security adviser, Mike Waltz, "learned a lesson" after he opened up a secret chat of Trump ...