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Teachers Discovering Computers Integrating Technology and Digital Media in the Classroom 7 th Edition Security Issues and Ethics in Education Chapter 8.

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Presentation on theme: "Teachers Discovering Computers Integrating Technology and Digital Media in the Classroom 7 th Edition Security Issues and Ethics in Education Chapter 8."— Presentation transcript:

1 Teachers Discovering Computers Integrating Technology and Digital Media in the Classroom 7 th Edition Security Issues and Ethics in Education Chapter 8

2 Computer security risk  Any event or action that has the potential of causing a loss of computer equipment, software, data and information, or processing capability Chapter 8: Security Issues and Ethics in Education 2

3 Computer Viruses  New virus programs found every day A segment of program code  Boot sector virus Replaces the boot program  File virus Inserts virus code into a specific file  Macro virus Hides the virus code  Worm A program that copies itself repeatedly  Trojan horse Looks like a legitimate program Chapter 8: Security Issues and Ethics in Education 3

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6 Computer Viruses  Logic bomb program that activates when detects a certain condition  Time bomb program that activates on a particular date Chapter 8: Security Issues and Ethics in Education 6

7 Virus Detection and Removal  Antivirus programs Detect, disinfect, and protect  Rescue disc CD containing an infected operating system to reboot  Virus hoaxes Warnings about a virus that does not exist Chapter 8: Security Issues and Ethics in Education 7

8 Unauthorized Access and Use  Crackers and hackers Try to break onto your computer  Unauthorized Access and Use Power abuse or identity theft Chapter 8: Security Issues and Ethics in Education 8

9 Possessed Objects and Biometric Devices  A possessed object is any item that you must carry to gain access to a computer or computer facility  Badges, cards, smart cards, and keys  Personal Identification Number (PIN)  Biometric devices authenticate a person’s identity with a personal characteristic Chapter 8: Security Issues and Ethics in Education 9

10 Computer Security: Risks and Safeguards  Firewall  A security system consisting of hardware and/or software that prevents unauthorized access to data and information on a network  Proxy server (screens all incoming and outgoing messages) Chapter 8: Security Issues and Ethics in Education 10

11 Computer Security: Risks and Safeguards  Hardware Theft and Vandalism  Cable lock devices  Portable equipment warrants special considerations  Computer vandalism  Cutting cables  Deleting software  Smashing computer Chapter 8: Security Issues and Ethics in Education 11

12 Software Theft  Software piracy  Software license  Single-user license  Multiple-user  Network license  Community/State license Chapter 8: Security Issues and Ethics in Education 12

13 Information Theft  Encryption Chapter 8: Security Issues and Ethics in Education 13

14 System Failure  Hardware Component failure  Variation in voltage  Undervoltage  Brownout (prolonged undervolatge)  Blackout (power outage)  Overvoltage (power surge) Spike(momentary surge less than 1 ms )  Surge protector  Surge protector with phone line protection  Uninterruptible power supply (UPS) (With emergency battery) Chapter 8: Security Issues and Ethics in Education 14

15 Computer Security: Risks and Safeguards  Backing Up – The Ultimate Safeguard  Backup  Duplicate of a file, program, or disk that may be used if the original is lost, damaged, or destroyed  Backup procedures policies in schools and school districts  Backup programs Chapter 8: Security Issues and Ethics in Education 15

16 Chapter 8: Security Issues and Ethics in Education 16

17 Ethics and the Information Age  Phishing  Email attempting to obtain personal and financial information  Spam  An unsolicited e-mail mess or newsgroup posting sent to many recipients or newsgroups at once  Average user receives more than 1,000 spam e- mail messages each year  Spam sent through instant messaging is called spim  Spam sent via Internet Telephony is called split Chapter 8: Security Issues and Ethics in Education 17

18 Ethics and the Information Age  Privacy Laws  Business or government agencies should only collect information necessary to carry out their functions  Restrict data access to those who must use it to perform job duties  Release personal information only after agreement to disclosure by individual  Must inform the individual when collecting information Chapter 8: Security Issues and Ethics in Education 18

19 Chapter 8: Security Issues and Ethics in Education 19

20 Internet Ethics and Objectionable Materials  Three categories of objectionable material  Pornographic material  Racist literature, gambling  Incorrect or inappropriate material Chapter 8: Security Issues and Ethics in Education 20

21 Internet Ethics and Objectionable Materials  Parental Controls  Available in Windows and Mac operating systems  Determine proper controls for children in different age groups  Monitor child’s use of computer Chapter 8: Security Issues and Ethics in Education 21

22 Internet Ethics and Objectionable Materials  Parental Controls  Filtering software  Check Internet browser’s history Chapter 8: Security Issues and Ethics in Education 22

23 Educational Controls  Curriculum resource pages  Acts as guides for students  Sites are pre-evaluated by teachers  Eliminates typing mistakes when typing URLs Chapter 8: Security Issues and Ethics in Education 23

24 Green Computing  Involves reducing the use of electricity and the production of environmental waste while using a computer  Society and schools are taking measures to combat it Chapter 8: Security Issues and Ethics in Education 24

25 Health Issues  Computers and Health Issues  Musculoskeletal Disorder (MSD)  Repetitive Strain Injury (RSI)  Carpal Tunnel Syndrome (CTS)  Hand Exercises  Computer Vision Syndrome (CVS)  Techniques to ease eyestrain Chapter 8: Security Issues and Ethics in Education 25

26 Health Issues  Ergonomics  An applied science devoted to incorporating comfort, efficiency, and safety into the design of items in the workplace Chapter 8: Security Issues and Ethics in Education 26


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