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denial-of-service attack
de·ni·al-of-ser·vice at·tack (plural de·ni·al-of-ser·vice at·tacks)


noun 
Definition:
 
attempt to overload computer system: an illegal attempt to put a computer system out of action by overloading it with data from many sources simultaneously
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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