2. NguyễnThịHồngNgọc

3. DươngThịThanhThúy

4. NguyễnThịAnhThư

6. 1. Security on the Web

7. Security is crucial when you send confidential information online

8. Buying a book

9. Set all security alerts to high on your web browser

10. Web browser:software application for retrieving, presenting, and traversing information resources on the WWW

11. Lock disable or delete cookies

12. Acookie (web cookie, browser cookie, and HTTP cookie) is a piece of text stored on a user's computer by their web browser

13. Digital certificate  files that are like digital identification cards to identify users & servers

14. Secure Sockets Layer (SSL) is a commonly-used protocol for managing the security of a message transmission on the Internet

15. 2. Email privacy

16. Email travels across the Net Can be copied temporarily onto many computers Can be read by others

17.  Encode it with some form of encryption

18. Pretty Good Privacy (PGP) A freeware program written by Phil Zimmerman

20. 3. Network security

21. Passwordsfor access control

22. Firewalls A system designed to prevent unauthorized access to or from a private network

23. Several types of firewall techniques: Packet filter Application gateway Circuit-level gateway Proxy server

24. Encryption and decryption systems

25. 4. Malware protection

27. For example: virusesworms Trojans spyware adware

34. Spyware Atype of malware that can be installed on computers, and which collects small pieces of information about users without their knowledge

35. Spyware programs can collect various types of personal information, such as Internet surfing habits and sites that have been visited, but can also interfere with user control of the computer in other ways, such as installing additional software and redirecting Web browser activity

36. Adware Software application in which advertising banners are displayed while the program is running

37. SOME ANTI- VIRUS SOFTWARE: BkavPro Internet Securityis antivirus software pioneer in the use of cloud technology (công nghệ điện toán đám mây)

38. Kaspersky Internet Security 2011 provides comprehensive protection for your computer from known and emerging threats, network attacks and phishing, spam and other unwanted information

39. 5. Types of computer crimes

40. Computer crimes: criminal activities, involve the use of information technology to gain an illegal or an unauthorized access to a computer system with intent of damaging, deleting or altering computer data

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45. THANKS FOR LISTENING