随着计算机网络的日益复杂化和多样化,现阶段的系统安全防范措施已经无法满足现阶段的需求。因此,计算机网络安全的研究成为了一项十分紧急又重要的任务。笔者作为一名相关领域的工作者,也积极投入其中。本文从现阶段网络安全背景出发,对网络安全的风险分析和系统设计进行了相关介绍。对于计算机网络安全的研究人员,具有一定的参考价值。 With the increasing complexity and diversification of computer networks, the current system security precaution has been unable to meet the needs of the current stage. Therefore, the study of computer network security has become a very urgent and important task. The author as a worker in related fields, also actively involved. Based on the current network security background, this paper introduces the risk analysis and system design of network security. For computer network security researchers, has a certain reference value.