Attack (DDOS), a method of attack in which the attacker with a large number of computers and networks that are at the disposal of. the attack." In this method, all the computers one method of attack, which in the following are listed at the same time, together, doing that might, in some cases, the damage irreparable.
In this technique, usually the attacker system a lot of infected and they command. to the system, infected zombie, and to the network of this system is under the control of a person. botnet say.