高校校园网的建设发展非常迅速,校园网上各种数据急剧增加。然而,针对校园网络的攻击越来越多,各种各样的安全问题开始阻碍了校园网的正常运行,造成网络安全事故不断发生,使校园网的安全面临极大的威胁。文中从高校校园网络安全的特点出发,探讨了当前高校校园网面临的安全威胁及其原因。 The construction and development of college campus network is very rapid, and all kinds of data in the campus network increase sharply. However, more and more attacks on campus networks, various kinds of security problems began to hinder the normal operation of campus network, causing network security incidents continue to occur, the campus network security is facing great threats. In this paper, starting from the characteristics of campus network security in colleges and universities, this paper discusses the current security threats and their causes in college campus network.