The Australian Secret Intelligence Service (ASIS) collaborates closely with Western allies such as the U.S. and the U.K.

These agents often operate behind the scenes, gathering crucial information, sometimes even in enemy territories.

Here are the top 10 nations with the most powerful ... in global intelligence, particularly during World War II and the Cold War. It works closely with the MI5 (domestic security agency) and ...

Documentary revealing the inner workings of the world's most powerful intelligence organization, with unprecedented access to America's spy network, all 12 living CIA directors and top agency ...