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1、1Internet Safety2341.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.561) free, opening and conven
2、ient 7 2)It has huge storage8 3)cultivating the good habit of learning9 4)A good tool for playing and working101112 2) Its full of dangerous virus13 3) poisonous information and pictures, it is hard to be observed14 4) the information is not to be trustedTwo factorsVirusHackerA computer virus is a c
3、omputer program that can replicate itself and spread from one computer to anotherNo signale-mail spoofingby hackerdisguise someone user would knowobtain secret by cheatingbegin to attack24Classification of Computer Crimeillegal access2526Classification of Computer Crime illegal interception data int
4、erference systems interference misuse of devices, forgery (ID theft), and electronic fraud27Basic 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 Wide spread rapidly
5、. 6 easy to hidden.Financial Fraud and its SolutionGenuine Antivirus SoftwareLaw protectionIn ChinaCopyright lawprevention and control measures of cyber crimeThinking: what should we postgraduates do?Internet “Smart Rules”1. Do not give out personal information or send pictures to a person you only
6、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 messages that make you feel u
7、ncomfortable.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 download a virus.
8、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!48internet addition does harm to our daily life
9、49waste precious time50 people may meet dirty words, rumors, four-letter information, porn activities and other bad information51can you leave a small space for me to put the food in the refrigerator?52darling, go home53internet addition54he will fall behind55Cultivate healthy habits56we should deal
10、 with the Internet carefully parents are responsiblefor their own children 57The conclusion of our task 1.Internet has its advantages and disadvantages. 2.Internet arises security problems,we must pay attention to these problems.58 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. 59Thank you!
瘾的危害英文ppt演示课件
