FBI agents posing as handlers allegedly caught employee leaving classified documents for pickup at a public park.

One idea is to make the briefing, which according to his schedule Trump has been taking less often than his predecessors, a ...

It's a classic Washington power move — the late-on-Friday news dump. This past Friday, at 4:30pm, start of a long holiday ...

Finland officially named Iran as a state actively conducting espionage operations within its borders, a designation ...

Units redesignated included the Continental United States Military Intelligence Group that supported the National Security Agency and a number of field stations. The rationale behind this decision ...

Read about Director of National Intelligence Tulsi Gabbard's plan to reform the contracting process within the U.S.

But four former national security and intelligence officials who handled legal matters told NBC News that information about an upcoming military attack on an adversary — including types of ...

Several high-ranking officials under Director of National Intelligence Tulsi Gabbard issued a “collection emphasis message” ...

Espionage has always been with us, but its rapid growth over the past century raises questions about who we are.