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Computer Security 1
Keeping your computer safe
Computer Security 1
Computer Security 1 includes two lessons:
Lesson 1: An overview of computer security and privacy Lesson 2: Protecting your computer and your data
Lesson 1Objectives
After completing this lesson, you will be able to:
Explain what the terms security and privacy mean as they apply to computing.
Identify the various threats prevalent in the world of computers and the corresponding solutions.
Definitions Computer threat: Any factor that can damage your
computer or the data on it. floods and hurricanes accidental or intentional loss and tampering
Computer security: Deals with the measures that you can take to avoid such damage to the computer and its data. Installing computers in secure locations Backing up data Data Storage in Safe Locations
Definitions
Computer privacy means that your data, such as personal files and e-mail messages, is not accessible by anyone without your permission.
Computer privacy deals with the measures that you can take to restrict access to your data.
Natural Threats
Categories
Natural Disasters
Fire
Extreme Hot or Cold
Voltage Problems
Solutions
Backing up Data Install Computer in
Secure Location Controlling Operating
Environment Surge Protection Uninterruptible Power
Supply
Human Threats
Categories Hackers Virtual Theft Viruses, Worms &
Trojan Horses Spyware Internet Scams Online Predators
Solutions Data Storage in Safe
Locations
Virus and Spyware Protection
Firewall
Questions??
Lesson 2Objectives
After completing this lesson, you will be able to: Identify several common methods for protecting
the operating system, software, and data on your computer.
Identify the various means of securing online and network transactions.
Identify the common measures for securing e-mail and instant messaging transactions.
Protecting Your Computer
1. Implement user identification2. Set a username and password3. Keep passwords secure4. Lock your computer5. Install protective software6. Encrypt data7. Back up data8. Keep your computer up to date
Protecting Your Computer Implement user identification
Protecting Your ComputerSet a username
Protecting Your ComputerSet a password (cont.)
Protecting Your Computer Set a password (cont.)
Protecting Your Computer Set a password (cont.)
Protecting Your Computer Set a password (cont.)
Click here after fillingthis form
Protecting Your ComputerLock your computer
Press: Ctrl Alt Delete keys at the same time
Click here to changeyour password
Click here to lockyour computer
Install protective softwareAntivirus
AVG free http://free.avg.com/
AVAST free http://www.avast.com/eng/avast_4_home.html
McAfee
Symantec
Install protective softwareAntiSpyware
Windows Defender free http://www.microsoft.com/windows/products/winfamily/defender/default.mspx
Ad-Aware free http://www.lavasoft.com/
McAfee
Symantec
Install protective softwareFirewall
Encrypt dataRight click file
Back up data
Back up data (cont.)
Back up data (cont.)
Back up data (cont.)
Restore data
Restore data
Secure online and network transactions
1. Use strong passwords2. Protect against hacking and spyware3. Clear history and cache periodically4. Delete cookies periodically5. Avoid sharing personal information6. Make online transactions on secure sites7. Configure security components8. Disable active content9. Use security help from your ISP
Ensure e-mail and instant messaging security
1. Avoid opening e-mail with attachments
2. Do not respond to junk mail
3. Do not respond to unsolicited commercial mail
4. Protect yourself from phishing
5. Chat with known people only
6. Do not open attachments received over instant messenger
Questions??
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