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'''DDoS''' is the acronym for '''Distributed Denial of Service.''' The [[Software Engineering Institute]] (SEI)- [[CERT]] at [[Carnegie Mellon University]] explained that the telephone system, computer system and the Domain Name System ([[DNS]]) sometimes become unusable because of intruders or hackers. For example when a hacker sent a very large amount of email to someone which can not be handled by the recipients computer disk that saves e-mail, a Denial of Service (DoS) attack will occur because the user will not be able use his or her computer until the situation is resolved. In terms of computer network, intruders send extraordinary amount of internet calls to computers that provide internet service  preventing users to get internet connection. Users whose networks are unable to use the internet services because of intrusion are victims of Distributed Denial Of Service attack.<ref>[http://www.cert.org/homeusers/ddos.html What is a Distributed Denial of Service (DDoS) Attack and What Can I Do About It?]</ref>]

'''DDoS''' is the acronym for '''Distributed Denial of Service.''' The [[Software Engineering Institute]] (SEI)- [[CERT]] at [[Carnegie Mellon University]] explained that the telephone system, computer system and the Domain Name System ([[DNS]]) sometimes become unusable because of intruders or hackers. For example when a hacker sent a very large amount of email to someone which can not be handled by the recipients computer disk that saves e-mail, a '''Denial of Service (DoS) attack''' will occur because the user will not be able use his or her computer until the situation is resolved. In terms of computer network, intruders send extraordinary amount of internet calls to computers that provide internet service  preventing users to get internet connection. Users whose networks are unable to use the internet services because of intrusion are victims of Distributed Denial Of Service attack.<ref>[http://www.cert.org/homeusers/ddos.html What is a Distributed Denial of Service (DDoS) Attack and What Can I Do About It?]</ref>]

==References==

==References==