随着计算机网络的发展,网络信息受病毒、黑客攻击等不良手段的影响,网络安全问题也越来越受人们的关注。网络安全是确保社会和国家的信息不被窃取,防止计算机自身的操作系统及网络系统不被破坏,从五个方面详细分析当前计算机网络安全的隐患,并提出六种安全策略来维护计算机网络的安全. With the development of computer network, the network information is affected by the unhealthy means such as virus and hacker attack, and the problem of network security is getting more and more attention. Network security is to ensure that the social and national information is not stolen to prevent the computer’s own operating system and network system is not damaged, a detailed analysis of the current five aspects of computer network security risks, and proposed six security strategies to maintain the computer network Safety.