WarGames (1983)
A young man finds a back door into a military central computer in which reality is confused with game playing, possibly starting World War III
WarGames: The Dead Code (Video 2008)
The United States Department of Homeland Security is led to believe an American teen hacker playing a terrorist attack simulator game online is a real terrorist out to destroy the U S
Sneakers (1992)
A security pro finds his past coming back to haunt him, when he and his unique team are tasked with retrieving a particularly important item