word
zero-day exploit
ZEE-roh DAY EK-sployt
ˈzɪəroʊ deɪ ˈɛksplɔɪtListen
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Syllable breakdown
zerodayexploit
Dictionary meaning
cyberattack targeting an undisclosed software vulnerability before the developer has had a chance to release a patch; extremely valuable to attackers as defenders have no protection
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