当今时代,信息网络技术飞速发展,信息数据已成为事关全局的战略资源,重要的网络信息系统已成为国家命脉。据CNCERT/CC统计,2007年中国大陆被植入木马的数量是2006年的22倍,其服务器操作系统安全漏洞仍是黑客攻击的首选目标。党中央、国务院高瞻远瞩,确定将信息安全等级保护作为国家提高信息安全能力、维护国 In today’s era, the rapid development of information network technology, information and data has become a strategic resource related to the overall situation, an important network information system has become the lifeblood of the country. According to CNCERT / CC, mainland China was implanted with 22 times the number of Trojans in 2006, and its server operating system security breach is still the preferred target of hacker attacks. The CPC Central Committee and the State Council have a long-term perspective and determined that the protection of information security level should be taken as a measure to improve the ability of information security and maintain the country