noun (n)

• a programmer who breaks into computer systems in order to steal or change or destroy information as a form of cyber-terrorism(noun.person)

  Synonym:
  cyber-terrorist, hacker
  

  source: wordnet30
• a writer of science fiction set in a lawless subculture of an oppressive society dominated by computer technology(noun.person)

  source: wordnet30
• a genre of fast-paced science fiction involving oppressive futuristic computerized societies(noun.communication)

  source: wordnet30