引言随着计算机网络的开放性、共享性和互连程度的增强,特别是现代网络技术和Internet的飞速发展,以及全球信息化、网络化进程的不断推进,在Internet及其他网络上运行的应用和提供的服务越来越多,所以网络的安全问题也变得越来越突出。网络安全问题已成为关乎国家安全、军队存亡、战争胜败的重要问题。 INTRODUCTION With the openness, sharing and interconnection of computer networks, especially the rapid development of modern network technology and Internet, as well as the continuous progress of global informatization and networking, the applications running on the Internet and other networks And more and more services provided, so the network security issues have become more and more prominent. The question of cybersecurity has become an important issue concerning the security of the country, the survival of the armed forces and the victory or defeat of the war.