[noun] a programmer who breaks into computer systems in order to steal or change or destroy information as a form of cyber-terrorism Synonyms:cyber-terrorist, cyberpunk
[noun] a programmer for whom computing is its own reward; may enjoy the challenge of breaking into other computers but does no harm; "true hackers subscribe to a code of ethics and look down upon crackers"
[noun] one who works hard at boring tasks Synonyms:hack, drudge