Ice: [coined By USENETter Tom Maddox, Popularized By William Gibson's Cyberpunk SF Novel

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:ice: [coined by USENETter Tom Maddox, popularized by William
Gibson's cyberpunk SF novels: a contrived acronym for `Intrusion
Countermeasure Electronics'] Security software (in Gibson's novels,
software that responds to intrusion by attempting to literally kill
the intruder). Also, `icebreaker': a program designed for
cracking security on a system.

Neither term is in serious use yet as of mid-1993, but many hackers
find the metaphor attractive, and each may develop a denotation in
the future. In the meantime, the speculative usage could be
confused with `ICE', an acronym for "in-circuit emulator".
-- The AI Hackers Dictionary

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