national security

Air Force Gen. Timothy Haugh served just over a year as director of the NSA, the spy agency that collects cyber intelligence worldwide. He's the latest of several senior officers fired by Trump.

President Trump is downplaying reports that far-right provocateur Laura Loomer influenced National Security Council firings on Thursday.

The announcement comes after lawmakers voiced concern about whether top national security officials discussed classified information on Signal about a military strike against Houthi rebels in Yemen.

Last week, the White House said the National Security Council, the White House counsel office and President Trump adviser Elon Musk were all looking into the mishap. But now, that probe has wrapped

Here, five takeaways from a week when the Trump administration has had to deal with the Signal chat leak, announced new tariffs and made more deportations.

The news of the leak of life-and-death operational details to a reporter lands differently with veterans and active-duty troops, who can be prosecuted for much less significant "spillage" incidents.

The use of civilian software to discuss sensitive military and government matters came to light after a journalist from The Atlantic magazine said he was mistakenly added to a group chat on Signal.

During a heated Senate Intelligence Committee hearing on Tuesday, Sen. Mark Warner described the actions of the nation's top intelligence officials as "sloppy, careless, incompetent behavior.

A Pentagon-wide advisory that went out one week ago warned against using Signal, the messaging app, even for unclassified information.

The CIA Director and the Director of National Intelligence testified that they did not share classified information in a messaging group chat that discussed the U.S. bombing campaign in Yemen.