A Service Management Mode Dealing with Information Leakage Risk in the Online Payment

In view of personal information leakage risk in the process of online payment, this study puts forward a cloud protection system which can improve personal information security. The system includes two modules: personal information security model and cloud service providers trust evaluation system. Among them, the personal information security model includes four layers design: the user, interface, platform and management layers. User layer is used to complete the user authentication and login, interface layer is used for the classification and encryption of complex personal information, platform layer is used to complete the data storage, and the management layer is used to guarantee the overall effectiveness of the system work. The cloud service providers trust evaluation system based on the Theory of Membership Degree, can improve the trust assessment level to cloud service providers. This study can ensure the personal information security in the online sales, and be beneficial to the healthy development of e-commerce.