Thanks to Jim for recommending this movie

Plot:
Computer hacker Will Farmer (Lanter) engages a goverment super-computer named Ripley in an online terrorist-attack simulation game. Little does Farmer know that Ripley has been designed to appeal to potential terrorists, and certain glitches have turned made him become paranoid.

[PAID] 100% Legal Download: Wargames: The Dead Code [2008]