近年来,随着计算机在社会生活各个领域的广泛运用,网络已成为一个无处不在、无所不用的工具。然而,网络安全问题也越来越突出,特别是计算机病毒以及计算机网络联接形式的多样性、终端分布的不均匀性、网络的开放性、网络资源的共享性等因素,致使计算机网络容易遭受病毒、黑客、恶意软件和其它不轨行为的攻击。为确保信息的安全与畅通,我们必须不断加强和提高网络安全防范意识。 In recent years, as computers have been widely used in all fields of social life, the Internet has become a ubiquitous and omnipresent tool. However, the issue of network security is also becoming more and more prominent. In particular, computer viruses and the diversity of forms of computer network connections, the uneven distribution of terminals, the openness of the network, the sharing of network resources, etc. make the computer network susceptible to viruses , Hacking, malware and other misdemeanor attacks. In order to ensure the security and smoothness of information, we must constantly enhance and enhance the awareness of cybersecurity.