近几年,我国信息化建设得到了迅猛地发展,带宽越来越宽,网络速度翻了几倍,E-Mail在网间的传递流量呈现指数增长,IP语音、视频等技术极大地丰富了网络应用。但是,互联网在拉近人与人之间距离的同时,病毒、黑客也随之不请自到。病毒的智能化,变种、繁殖的快速,黑客工具的“傻瓜” In recent years, the rapid development of China’s information construction has led to more and more bandwidth. The network speed has doubled. The transmission volume of E-Mail in the Internet has exponentially increased. Voice over IP and video technologies have greatly enriched Internet application. However, while the Internet has narrowed the distance between people, viruses and hackers have also become unwilling to come. Virus intelligence, variety, breeding fast, hacker tools “fool”