在诸多计算机问题中,计算机网络安全问题随着网络的飞速发展而日益突出。本文就网络中存在的各种不安全因素,进一步增强安全意识,采取相应的防范措施,把因网络被破坏而造成的损失减到最小。 Among many computer problems, the problem of computer network security has become increasingly prominent with the rapid development of the Internet. In this paper, various unsafe factors exist in the network to further enhance the safety awareness and take appropriate preventive measures to minimize the damage caused by the network is destroyed.