（参考课件）l计算机病毒(英文).ppt

,TheComputerVirus计算机病毒,1,Howdovirusesspread?,2,计算机病毒定义computervirusdefinition,Allthatcancausecomputerfault,destructionofcomputerdataandprogramcollectivelyreferredtoasacomputervirus.破坏计算机功能或者毁坏数据，影响计算机使用，并能自我复制的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,3,MYDOOM,电邮蠕虫病毒,4,PHISHING网络钓鱼,5,灰鸽子Graypigeons,6,Whatisacomputervirus?,Acomputervirusisaprogramdesignedtospreaditselfbyfirstinfectingexecutablefilesorthesystemareasofhardandfloppydisksandthenmakingcopiesofitself.（计算机病毒是通过首次感染可执行文件或者系统硬盘和软盘系统区域，进行传播，并且能够自我复制的程序代码）,7,Commonvirus,8,Virusclassification,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,好多种,9,Howdovirusesspread?,overexecuteprogram,10,overanetwork.,网页要求安装外挂程序,11,overflashmemory,电脑插上受病毒感染的U盘后，主机本身也会跟著中毒,12,ThespreadofthevirusthroughtheInternetspeed,Oneday.,13,Whatdovirusesdotocomputers?,damagefilesinterferewithyourcomputersoperationtrytospreadthemselvesaround.,14,Effectofcomputervirus,15,DonotmeltdownyourCPUDonotburnoutyourharddriveDonotcauseyourmonitortoexplode,Notethatvirusescantdoanydamagetohardware:,16,Somegeneraltipsonavoidingvirusinfection,TodataimportantfilesbackupInstallanti-virussoftwarescanningforvirusesonaregularbasis,17,Ifyouwanttoprotectyourcomputer,UseAntivirusSoftware！,18,Someantivirussoftwares,19,Last，LetmeintroducetheHackerOfcouse，notthemovie,20,Theyarehackers,夜间活动频繁职业,21,Inthecomputersecuritycontext,ahackerissomeonewhoseeksandexploitsweaknessesinacomputersystemorcomputernetwork.Hackersmaybemotivatedbyamultitudeofreasons,suchasprofit,protest,orchallenge.,*黑客（Hacker）,Whileotherusesofthewordhackerexistthatarenotrelatedtocomputersecurity,suchasreferringtosomeonewithanadvancedunderstandingofcomputersandcomputernetworks,theyarerarelyusedinmainstreamcontext.,22,It