Denial of Service Attack (DoS) Glossary Definition

Term Denial of Service Attack (DoS)
Definition

A Denial of Service Attack is an attack on a network or a machine to make it unavailable to other or important users. Single user floods the network or server with the same requests keeping it busy, occupied, and unavailable for other users.

See also: DoS.

Denial of Service (DoS) is a Web hosting or deployment concept used to publish, operate, monitor, or maintain websites and online applications.

Denial-of-Service Attack is a Network Security concept used to protect traffic, access, devices, applications, or segments from misuse or attack.

Context & Usage

In security and compliance work, this term helps teams describe controls, risks, identity practices, standards, audits, or protective technologies. It is relevant when managing access, reducing exposure, documenting safeguards, or demonstrating accountability.

Web teams use this concept when moving code or content between environments, operating production sites, and coordinating maintenance.

Related concepts include Web Server.

Additional Resource: MDN Web Docs Glossary.

Security and infrastructure teams use this concept to reduce exposure, enforce access boundaries, inspect traffic, and limit the impact of compromise.

Related concepts include Routing.

Additional Resource: NIST Computer Security Resource Center Glossary.

Categories Software Development and Programming, Web, Database, Cloud, and DevOps Technologies, Cybersecurity, Compliance, and Access Management, Enterprise Applications, CRM, and Contact Center Systems, Artificial Intelligence