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??