Source : Free On-Line Dictionary of Computing

WarGames
     
         (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)