Definitions for "DoS Attack"
denial-of-service attack. An attack on a website in which the attacker exploits a weakness or a design limitation of the web server to overload or halt the service, so that the service becomes un-available for use.
A malicious kind of attack that floods the intended destination IP address with requests. Example: by pinging 400 to 500 times per second.
a computerized assault launched by an attacker to overload or halt a network service, such as a Web server or a file server