METHOD FOR DETECTING AND PREVENTING A DDOS ATTACK USING CLOUD COMPUTING, AND SERVER

摘要

The present invention relates to a method for detecting and preventing a DDoS attack in a cloud computing environment including a plurality of clients connected to a server, wherein the method for detecting and preventing a DDoS attack comprises: an information-collecting operation in which a server collects, from a client, file DNA extracted from a file, as well as traffic information on network traffic caused by the file, using the file that is installed on the client and being executed at the client, and using an agent monitoring a program; an analyzing operation in which the server analyzes the risk of a DDoS attack on the basis of the file DNA of the file and the traffic information; and a command operation for transmitting a command on whether or not to block the file from the client according to the analyzed risk.