“It could affect the national security interests of the United States in ways that none of us can anticipate,” attorneys for Biden and the White House said.

He was a key national security prosecutor on special counsel Jack Smith's team, which in 2023 charged Trump with illegally hoarding classified documents at his Mar-a-Lago estate in Florida and ...

He was a key national security prosecutor on special counsel Jack Smith's team, which in 2023 charged Trump with illegally hoarding classified documents at his Mar-a-Lago estate in Florida and ...

By Andrew Kaczynski and Em Steck, CNN (CNN) — When Hillary Clinton and Joe Biden faced intense scrutiny for their handling of classified material, top officials now serving in Trump’s Justice ...

Amy Lieberman, a politics and society editor, spoke with national security scholar Dakota Rudesill to better understand what constitutes classified information and how the government typically ...

A guide from the national intelligence director’s office says “information providing indication or warning that the U.S. or its allies are preparing an attack” should be top secret.

Former senior national security officials and Democratic lawmakers rejected on Wednesday the Trump administration’s continued assertion that detailed U.S. airstrike plans inadvertently shared ...

The reason for that is: Although this is a very novel example of a classified leak—putting aside that the government says it’s not classified—it’s still a leak.

President Trump defended national security adviser Mike Waltz for his role in the Signal group chat, which discussed pending military strikes against Houthi militants in Yemen and inadvertently ...

How could Trump administration officials, including the intel chiefs who testified before the Senate today, maintain with a straight face that what they discussed on Signal was not classified ...

About 2,200 files consisting of over 63,000 pages were posted on the National Archive's website on Tuesday evening. Many of those pages revealed what had previously been redacted.

Read what was in JFK docs: Trump releases classified JFK files on assassination. Here's what they say. How does information become classified?