随着计算机网络的发展,网络系统的安全性和可靠性开始成为世界各国政府、各行业关心的问题。网络安全不仅影响网络稳定运行和用户的正常使用,还有可能威胁到国家安全、造成重大的经济损失。本文对当前计算机网络存在的安全隐患进行了分析,并探讨了针对计算机网络安全隐患的防范策略。 With the development of computer networks, the safety and reliability of network systems have become the concerns of governments and industries all over the world. Network security not only affects the stable operation of the network and the normal use of users, but also may threaten the national security and cause significant economic losses. This article analyzes the security risks existing in the current computer network and discusses the countermeasures for preventing the potential network security risks.