,*,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,The Computer Virus,计算机病毒,l计算机病毒英文专家讲座,第1页,What is a computer virus?,What do viruses do to computers?,Whats the deal with Computer Viruses,1,2,3,4,How do viruses spread?,l计算机病毒英文专家讲座,第2页,计算机病毒定义,computer virus definition,All that can cause computer fault,destruction of computer data and program collectively referred to as a computer virus.,破坏计算机功效或者毁坏数据，影响计算机使用，并能自我复制一组计算机指令或者程序代码。,中华人民共和国计算机信息系统安全保护条例,第二十八条,l计算机病毒英文专家讲座,第3页,MYDOOM,电邮蠕虫病毒,l计算机病毒英文专家讲座,第4页,PHISHING,网络钓鱼,l计算机病毒英文专家讲座,第5页,灰鸽子,Gray pigeons,l计算机病毒英文专家讲座,第6页,What is a computer virus?,A computer virus is a,program,designed to,spread,itself by first,infecting,executable files or the system areas of hard and floppy disks and then making,copies,of itself.,（,计算机病毒是经过首次,感染,可执行文件或者系统硬盘和软盘系统区域，进行,传输,，而且能够自我复制,程序代码,）,l计算机病毒英文专家讲座,第7页,Common virus,l计算机病毒英文专家讲座,第8页,Virus classification,木马病毒,Trojan,蠕虫病毒,Worm,后门病毒,Backdoor,脚本病毒,Script,宏病毒,Macro,系统病毒,Win32,、,PE,捆绑机病毒,Binder,下载者病毒,downloader,好各种,l计算机病毒英文专家讲座,第9页,How do viruses spread?,over,execute program,l计算机病毒英文专家讲座,第10页,over a,network.,网页要求安装,外挂程序,l计算机病毒英文专家讲座,第11页,over,flash memory,电脑,插上受病毒感染U,盘后,，主,机,本身也,会,跟著中毒,l计算机病毒英文专家讲座,第12页,The spread of the virus through the Internet speed,One day.,l计算机病毒英文专家讲座,第13页,What do viruses do to computers?,damage files,interfere with your computers operation,try to spread themselves around.,l计算机病毒英文专家讲座,第14页,Effect of computer virus,l计算机病毒英文专家讲座,第15页,Do not,melt down,your CPU,Do not burn out,your hard drive,Do not cause your monitor to explode,Note that viruses cant do any damage to hardware:,l计算机病毒英文专家讲座,第16页,Some general tips on avoiding virus infection,To data important files backup,Install anti-virus software,scanning for viruses on a regular basis,l计算机病毒英文专家讲座,第17页,If you want to protect,your computer,Use Antivirus Software,！,l计算机病毒英文专家讲座,第18页,Some antivirus softwares,l计算机病毒英文专家讲座,第19页,Last,，,Let me introduce the,Hacker,Of couse,，,not the movie,l计算机病毒英文专家讲座,第20页,They are hackers,夜间活动频繁职业,l计算机病毒英文专家讲座,第21页,In the computer security context,a hacker is someone who seeks and exploits weaknesses in a computer system or computer network.Hackers may be motivated by a multitude of reasons,such as profit,protest,or challenge.,*,黑客（,Hacker,）,While other uses of the word hacker exist that are not related to computer security,such as referring to someone with an advanced understanding of computers and computer networks,they are rarely used in mainstream context.,l计算机病毒英文专家讲座,第22页,I think,l计算机病毒英文专家讲座,第23页,