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| Description: | A distributed denial of service (DDoS) attack has several components: - a victim network, that is flooded by a huge amount of traffic with a certain pattern (payload); - a large network of previously compromised systems, running the attack 'daemon'; - a master program, keeping track of the daemons, synchronizing them and triggering the attacks. The payload usually involves well documented attacks such as "Syn flood", smurf etc. In February 2000, a number of high-profile Web sites were attacked, resulting in revenue losses, market capitalization changes etc. See how to fight this threat at http://www.sans.org/dosstep/index.htm. |