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1、Internet Safety,1.The Meaning Of Internet Safety,The software,hardware and data in the computer system is protected.The Internet can function well without leaking,destructing and replacing.But in many situations,it means the safety of information on the Internet.,1)free,opening and convenient,2)It h
2、as huge storage,3)cultivating the good habit of learning,4)A good tool for playing and working,2)Its full of dangerous virus,3)poisonous information and pictures,it is hard to be observed,4)the information is not to be trusted,Internet Security Problem,Two factors,Virus,Hacker,virus,A computer virus
3、 is a computer program that can replicate itself and spread from one computer to another,No signal,Hacker,Attack by hacker,e-mail spoofingby hacker,disguise someone user would know,obtain secret by cheating,begin to attack,Classification of Computer Crime,illegal access,Classification of Computer Cr
4、ime,illegal interceptiondata interferencesystems interferencemisuse of devices,forgery(ID theft),and electronic fraud,Basic characteristics of cybercrime,1 high IQ of Criminal.2 the cost of cybercrime is low and the harm is great.3 Difficult to obtain and Preservation evidence.4 Difficult to prevent
5、.5 Wide spread rapidly.6 easy to hidden.,Financial Fraud and its Solution,Genuine Antivirus Software,Law protectionIn China,Copyright law,prevention and control measures of cyber crime,Thinking:what should we postgraduates do?,Internet“Smart Rules”,1.Do not give out personal information or send pict
6、ures to a person you only know online.They may not be who you think they are.2.Tell an adult when someone online makes you feel uncomfortable.3.Dont agree to meet someone you only know online.It could actually be a person who means to do you harm.,Internet“Smart Rules”,4.Dont reply to e-mail message
7、s that make you feel uncomfortable.5.Dont give out credit card numbers to anyone.6.Dont forward chain letters.7.Dont copy music illegally from the internet.8.E-mail is not private.Do not assume that it is.,Internet“Smart Rules”,9.Dont download anything without asking your teacher or parent.You may d
8、ownload a virus.10.If you receive an e-mail asking you to forward something to everyone,.dont.11.Dont tell anyone your account password.12.Dont e-mail in UPPERCASE.Its like shouting.,Last but not least,dont be credulous for your own good.There is no pie from sky!,internet addition does harm to our d
9、aily life,waste precious time,people may meet dirty words,rumors,four-letter information,porn activities and other bad information,can you leave a small space for me to put the food in the refrigerator?,darling,go home,internet addition,he will fall behind,Cultivate healthy habits,we should deal wit
10、h the Internet carefully,parents are responsiblefor their own children,The conclusion of our task,1.Internet has its advantages and disadvantages.2.Internet arises security problems,we must pay attention to these problems.,3.with the development of technology,cyber crime is widespread.We must safeguard our rights.4.Internet is wonderful,but we shouldnt be addicted to it.,Thank you!,
