Asif William Rahman has pled guilty to transmitting classified national defence information, US Justice Department says.

A former CIA analyst pleaded guilty to leaking classified documents about Israel’s preparations to attack Iran late-last year ...

A CIA employee who was accused of leaking classified documents about Israel's plans to strike Iran pleaded guilty on Friday ...

John Ratcliffe was questioned over whether he’d remain an impartial national security official after past incidents as Trump’s former director of national intelligence.

This week, the Senate takes up the confirmation of three of President-elect Trump's national security/foreign policy picks.

Effective espionage and covert action are likely to prove crucial for blunting threats that nations such as China, Russia, Iran and North Korea pose to the U.S. They will be key to monitoring the ...