
In computing, a denial-of-service (DoS) or distributed denial-of-service (DDoS) attack is an attempt to make a machine or network resource unavailable to its intended users. Although the means to carry out, the motives for, and targets of a DoS attack vary, it generally consists of efforts to temporarily or indefinitely interrupt or suspend servic...
Found on
http://en.wikipedia.org/wiki/Denial-of-service_attack

(from the article `Computers and Information Systems`) ...over by hackers to respond to commands via the Internet. Groups of such machines (popularly called zombie armies, or botnets) were being used to ... Compare the Morris worm with the events of the week of February 7, 2000, when `mafiaboy,` a 15-year-old Canadian hacker, ...
Found on
http://www.britannica.com/eb/a-z/d/31
No exact match found.