Effective Prevention Of Graphics Verification Code To Malicilous Clicks In CPC Mode

In CPC(Cost-per-click)mode,with wide methods and bad natuture, malicious click has become increasingly severe problem in the network of online advertising. Prevent malicious click in the IT industry and technology is an emerging research topic. In recent years ,graphics verification code technology is a compelling branch of optical character recognition to network security . Using graphics verification to realize preventing malicious click, it effectively solve the trojans'malicious click, shield the unconscious click and reduce the efficiency of human malicious click. And to constantly improve of the segmentation technology of optical character recognition, the paper puts forward the adhesion and parts overlap graphics verification code technology.This paper fitstly introduces some "malicious click"in the CPC mode.Based on the in-depth analysis of the scheme adopted by Google and Yahoo, Representing the most advanced technology of malicious click, the paper puts forward the real-times tactics based on the improvement of the graphics authcode. Then this paper defines the service process of this strategy, introduces the improved graphics verification code technology, and further expounds the strategy of working mechanism. Finally based on a case study, compareing the traditional prevention strategies and improved scheme, it proved the feasibility of the introduction of graphics verification code to prevent malicious code.