网络型病毒与计算机网络安全

Network Virus & Network Security

传统的计算机病毒分类法常以寄生对象为标准将病毒分为文件型、引导型和混合型,但根据当前病毒发展的趋势,应增加一类网络型病毒。网络型病毒的寄生对象广泛、传播速度快、危害广,它利用Internet的开放性和软件系统的缺陷,破坏网络中的各种资源以及网络通讯,某些种类的网络病毒还是黑客工具。因此结合多个具体实例,分析了网络型病毒对网络安全的危害,提出网络型病毒的防治应首先从管理措施上着手,并综合防火墙技术、病毒防治软件、软件更新、数据备份等多种技术措施。

Computer virus is usually divided into file mould virus , boot virus and compound virus . But now , we should add network virus in it . Network virus has wide host objects , high spread speed and high dangers . It destroys information and data communication in network by making full use of Internet and software BUG . Some network virus can be used by hacker . This paper analyses the harm of network virus, and suggests some solutions. 