随着全球的信息化不断发展,信息网络的建立和不断发展,计算机网络技术已经广泛应用于各个领域,为人们的现代生产和生活提供了很多便利。同时,一系列网络安全问题成为关注的焦点,利用计算机网络进行信息交换的重点。计算机网络安全内涵研究,然后讨论当前计算机网络安全问题,并对计算机网络技术在网络安全维护中的具体应用进行深入研究。 With the continuous development of global information and the establishment and continuous development of information network, computer network technology has been widely used in various fields and has provided a lot of conveniences for people’s modern life and production. At the same time, a series of cybersecurity issues have become the focus of attention, using computer networks for information exchange. Computer network security connotation research, and then discuss the current computer network security issues, and computer network technology in the network security maintenance in-depth study of the specific application.