Denial of Service
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Contents
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
- ↑ Protective Security Policy Framework - Glossary Oct 2017
- ↑ on-line glossary Stay Safe On-line
- ↑ Revue stratégique de cyberdéfense 12 février 2018
- ↑ Government of Liberia’s Policy for the Telecommunications and Information Communications Technology (ICT) sectors
- ↑ Secure by Design: Improving the cyber security of consumer Internet of Things Report (2018)
- ↑ 6.0 6.1 DHS/NICSS Glossary
- ↑ 7.0 7.1 7.2 NIST Glossary