Denial of Service

From CIPedia
Revision as of 16:27, 7 April 2018 by Eluiijf (talk | contribs)
Jump to navigation Jump to search

Definitions

National Definitions

Australia

Denial of service: Deliberate compromise of the availability of IT systems. [1]


Denial-of-Service (DoS): An attack that is used to stop an online system (such as a website) from being available to legitimate users. [2]

These attacks often flood targeted systems with requests until they are unable to respond.

France

Déni de service (DoS): attaque informatique ayant pour but de rendre indisponible un service en submergent ses ressources informatiques de traffic inutile. Lorsque l'attaque est conduite à l'aide de plusieurs source de traffic malveillant, on parle de déni de service distribué (DDoS). [3]


Liberia

Denial-of-service attack: Flooding the networks or servers of individuals or organizations with false data requests so they are unable to respond to requests from legitimate users. [4]



United Kingdom

Distributed denial-of-service attack: Where many networked devices try to communicate with another at the same time, causing the targeted device to be significantly slower to respond or cease to function. [5]



United States

DHS
Denial of Service is an attack that prevents or impairs the authorized use of information system resources or services. [6]


Distributed denial of service is a Denial of Service technique that uses numerous systems to perform the attack simultaneously. [6]


NIST
Denial of Service: Actions that prevent the system from functioning in accordance with its intended purpose (from: NIST SP 800-24) [7]


Denial of Service: The prevention of authorized access to resources or the delaying of time-critical operations. (Time-critical may be milliseconds or it may be hours, depending upon the service provided) (from: NIST SP 800-27 Rev A) [7]


Denial of Service: The prevention of authorized access to resources or the delaying of time-critical operations. (from: NIST SP 800-33) [7]



See also

Notes