21世纪计算机网络已进入快速飞跃时期,随着网络技术的不断发展更新,人们的工作和日常生活已经越来越依赖于网络。网络在为社会生活提供了诸多便捷的同时,也随之出现了许多安全威胁。本文介绍了计算机网络安全漏洞的概念,并列出了计算机网络安全漏洞的常见类型,从多个方面分析探讨了计算机网络安全的有效防范措施。 The 21st century computer network has entered a rapid leap, with the continuous development of network technology updates, people’s work and daily life has become increasingly dependent on the network. While the Internet has provided many conveniences for social life, many security threats have emerged. This paper introduces the concept of computer network security vulnerabilities, and lists common types of computer network security vulnerabilities, from many aspects analysis and discussion of effective computer network security precautions.