In a distributed denial-of-service attack ( DDoS attack), the incoming traffic flooding the victim originates from many different sources. Denial of service is typically accomplished by flooding the targeted machine or resource with superfluous requests in an attempt to overload systems and prevent some or all legitimate requests from being fulfilled. In computing, a denial-of-service attack ( DoS attack) is a cyber-attack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to a network. Note how multiple computers are attacking a single computer. JSTOR ( August 2021) ( Learn how and when to remove this template message)ĭiagram of a DDoS attack.Unsourced material may be challenged and removed.įind sources: 'Denial-of-service attack' – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
