zero-day

Main Entry:  zero-day1
Part of Speech:  adj
Definition:  pertaining to a program that exploits a computer security vulnerability before security experts can address it
Example:  zero-day exploits on the Internet
Dictionary.com's 21st Century Lexicon
Main Entry:  zero-day2
Part of Speech:  adj
Definition:  pertaining to software, videos, music, or information obtained prior to public release; also called 0day
Dictionary.com's 21st Century Lexicon
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