目前由于社会生活中的各个领域都在使用计算机网络技术,上至政府机关、科研单位、企事业单位下至学校、家庭都离不开计算机网络技术。计算机网络技术所带来的巨大的信息以及其强大的互动交流功能,有效地提高了各个领域的工作效率,加强了各领域间的信息交流,有力地推动了社会信息化的进程。但是,与此同时计算机网络的安全问题日益突出,各种计算机犯罪和网络安全问题给个人、单位甚至是国家造成了极大损害。因此,计算机网络安全问题成为了当今信息化时代亟待解决的问题,受到了各界人士越来越多的关注与重视。本文就计算机网络安全防范技术的研究和应用问题进行了简单的探讨,以供同行参考。 At present, due to the use of computer network technology in all fields of social life, from the government agencies, research institutes, enterprises and institutions down to schools, families are inseparable from the computer network technology. The tremendous information brought by computer network technology and its powerful interactive communication function have effectively raised the work efficiency in various fields, strengthened the exchange of information in various fields and effectively promoted the process of social informatization. However, at the same time, the security of computer networks has become increasingly prominent. Various computer crimes and cyber security problems have caused great damage to individuals, units and even countries. Therefore, the issue of computer network security has become an urgent problem to be solved in today’s information age, by more and more people from all walks of life attention and attention. This article on the computer network security technology research and application of a simple discussion, for peer reference.