Even before the Intenet there was phone dial-up systems over phone lines.

1. Understanding computers today you can go back to 10 years before the Internet and see the problem growing even then depicted accurately (mostly) in Wargames the movie.

   WarGames (1983) - IMDb

   www.imdb.com/title/tt0086567

   Directed by John Badham. With Matthew Broderick, Ally Sheedy, John Wood, Dabney Coleman. A young man finds a back door into a military central computer in which ...

2. WarGames - Wikipedia

   • en.wikipedia.org
   •   › …
   •   › Best Cinematography

   WarGames is a 1983 American Cold War science-fiction film written by Lawrence Lasker and Walter F. Parkes and directed by John Badham. The film stars ...