WarGames

from The Free On-line Dictionary of Computing (8 July 2008)

WarGames
Whopper

   <recreation> (Not "War Games") A 1983 film about a schoolboy
   {cracker} using a {wardialer} to try to break into a games
   company's computer and accidentally connecting to a {backdoor}
   into "Whopper", a ficticious {C3} computer at Norad (USAF).
   He then procedes to unwittingly initiate global thermonuclear
   warfare.  Playing naughts and crosses finally teaches Whopper
   that the only way to win the game is never to play.

   IMDb (http://us.imdb.com/Title?WarGames+%281983%29).

   (1999-03-08)