信息安全等级保护研究

随着信息技术的高速发展和网络应用的迅速普及，整个社会对信息系统的依赖日益加深，面临的信息安全风险也与日俱增。实施信息系统安全等级保护，能够有效地提高我国信息系统安全建设的整体水平。文章根据国内信息安全等级保护发展状况，概述了我国等级保护的发展历程。通过对等级保护有关政策和标准的研究，介绍了等级保护的定级、等级保护实施的原则和基本流程、等级保护相关标准及其应用实例，以期能对等级保护的进一步研究应用提供参考。

Research on Classified Protection of Information Security

With the rapid development of the information technology and the wide spread of the application ofintemet, the operating of the whole society depends on information system more and more deeply and the risk of the information security is increasing day by day. The classified protection of information system security can effectively improve the building of the information system security in China. According to the development situation in China, this paper gives a summary of the course of classified protection of information system security in China. On the research of the polices and standards, it inlroduces the classification, the implementation, some standards and some application examples of information system security. And hoping that this research can give some help to the further study and application.