随着全球经济和信息化的发展,信息技术和信息产业正在成为国家经济增长的主要推动力。21世纪将进入信息经济时代,加快推进信息化已经成为新世纪的战略任务。信息已成为重要的战略资源,信息网络成为国家重要的战略基础设施,信息安全成为信息社会,信息化国家最重要的安全要素之一。如何保障计算机信息系统和 With the development of the global economy and informatization, the information technology and information industry are becoming the main driving forces of the country’s economic growth. The 21st century will enter the era of information economy and speeding up the informatization has become a strategic task for the new century. Information has become an important strategic resource. The information network has become an important national strategic infrastructure. Information security has become one of the most important security elements in the information society and information-based countries. How to protect the computer information system and