denial of service attack

E-com
an attack on a computer system by a hacker or virus that does not seek to break into the system, but rather to crash a Web site by deluging it with phony traffic. Such attacks are difficult to defend against, but firewall s can be designed to block repeated traffic from a particular source.

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  • denial of service attack — UK US noun [countable] [singular denial of service attack plural denial of service attacks] computing an attack by a computer hacker or virus in which a very large number of messages are sent to a website in a very short time, so that it stops… …   Useful english dictionary

  • Denial of Service Attack —   (DoS Attack, Netzdienstsabotage), Dienstverweigerungsattacke …   Universal-Lexikon

  • Denial-of-service attack — DoS redirects here. For other uses, see DOS (disambiguation). DDoS Stacheldraht Attack diagram. A denial of service attack (DoS attack) or distributed denial of service attack (DDoS attack) is an attempt to make a computer resource unavailable to …   Wikipedia

  • denial of service attack —    An attack by an intruder that prevents a computer system from providing a service. A denial of service attack will typically involve opening and dropping a large number of TCP/IP connections very quickly so that the target system spends all… …   Dictionary of networking

  • denial of service attack — UK / US noun [countable] Word forms denial of service attack : singular denial of service attack plural denial of service attacks computing an attack by a computer hacker or virus in which a very large number of messages are sent to a website in… …   English dictionary

  • Denial of Service Attack — Als Denial of Service (DoS, zu Deutsch etwa: Dienstverweigerung) bezeichnet man einen Angriff auf einen Host (Server) oder sonstigen Rechner in einem Datennetz mit dem Ziel, einen oder mehrere seiner Dienste arbeitsunfähig zu machen. In der Regel …   Deutsch Wikipedia

  • denial-of-service attack — /dənaɪəl əv ˈsɜvəs ətæk/ (say duhnuyuhl uhv servuhs uhtak) noun a cyber attack which targets an institution or corporation which provides an online service over the internet, as a bank, stock exchange, etc., by putting the service out of action.… …   Australian English dictionary

  • denial of service attack — ▪ computer science       type of cybercrime in which an Internet site is made unavailable, typically by using multiple computers to repeatedly make requests that tie up the site and prevent it from responding to requests from legitimate users.… …   Universalium

  • denial-of-service attack — noun A type of network computer attack that attempts to render a particular service (e.g. web site) unavailable to its audience. See Also: DoS …   Wiktionary

  • denial of service attack — noun an attempt to shut down a newsgroup, network, etc., by flooding it with spam. Also, DoS attack …   Australian English dictionary


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