在计算机网络技术、通信技术以及数据库技术飞速发展的时代,越来越多的人依赖于计算机网络信息系统来获取各种信息化的通信数据。现代,无论企事业单位还是民营企业,均通过建立局域网来进行信息共享,以便于获取各种通信数据。但,人们在享受数据通信网络带来便利的同时,其网络维护和网络安全的问题也逐步被大家所重视。本文主要是通过对计算机信息管理进行分析,找出网络安全存在的问题,剖析其维护网络安全的有效措施,使其安全、稳定和可靠。 In the era of rapid development of computer network technology, communication technology and database technology, more and more people rely on the computer network information system to obtain all kinds of information communication data. Modern, both enterprises and institutions or private enterprises, all through the establishment of local area network for information sharing, in order to facilitate access to a variety of communication data. However, while enjoying the convenience brought by the data communication network, people also pay more attention to the problem of network maintenance and network security. This article mainly analyzes the computer information management to find out the problems existing in the network security and analyzes its effective measures to maintain the network security, making it safe, stable and reliable.