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0引言在现代社会中,人们每天都在通过网络获取信息,网络的诞生提高了信息传播速度,扩大了信息辐射范围,使信息能够不受时间、空间、地点限制进行高效传播。一则信息在网络上几秒钟就可以被转发千万条。但网络病毒、网络攻击却威胁着网络安全,影响着网络系统稳定性,制约着网络应用。许多网络病毒、网络攻击都可能造成网络故障,导致计算机硬件和软件损害,更给用户数据信息带来安全风险。倘若企业受到网络攻击,导致网络系统瘫痪,甚至会造成商业机密的泄漏。如政府网络受到破坏,甚
0 Introduction In modern society, people get information every day through the Internet. The advent of the Internet has improved the speed of information dissemination and expanded the scope of information radiation so that information can be efficiently transmitted without restriction of time, space and location. A message can be forwarded to millions in seconds on the web. However, network viruses and cyber attacks threaten network security, affecting the stability of network systems and restricting network applications. Many network viruses and cyber attacks may cause network failure, which may cause damage to computer hardware and software and pose a security risk to user data information. If the business by network attacks, leading to the collapse of the network system, and even cause leakage of trade secrets. If the government network is damaged, very