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GLOSSARY

Application-Level Denial-of-Service (DoS)

Application-level Denial of Service (DOS) is an emerging class of security attacks on sites. They aim to overwhelm the site by flooding the server with requests that are disguised as legitimate users. The sudden increase in traffic shuts down machines and networks to make them unavailable to other users.

A DOS most often happens when an application contains either functional or architectural flaws that allow for remote interactions to consume large quantities of the host system’s resources, which can lead to the system locking-up or otherwise failing to deliver content.

DOS and DDoS (distributed denial of service) attacks are difficult to distinguish from regular surges of traffic. DoS testing is recommended to make sure your site is protected. Bugcrowd’s crowdsourced security testing program is designed for that and much more. Take it for a test run!

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