noun
DoS
dee-o-EHS
noun
1
A denial-of-service attack, in which a system is flooded with traffic to make it unavailable.
"The website went down after being hit by a DoS attack."
How to Use DoS
Learner’s notesIn plain EnglishA cyberattack that overwhelms a website or server so real users can't get through.
Easily confused with
ddos
Word Forms
DoSed past tense, DoSs plural, DoSes plural, DoSes singular
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The website went down after being hit by a _____ attack.
Etymology
An abbreviation of "denial of service."