Computer Security 1
Computer Security 1
Computer Security 1 includes two lessons:
Lesson 1
Objectives
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
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
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
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
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
Lesson 2
Objectives
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
Protecting Your Computer
1. Implement user identification 2. Set a username and password 3. Keep passwords secure
4. Lock your computer
5. Install protective software 6. Encrypt data
7. Back up data
Protecting Your Computer
Protecting Your Computer
Protecting Your Computer
Protecting Your Computer
Protecting Your Computer
Set a password (cont.)
Protecting Your Computer
Lock your computer
Press:
Ctrl Alt Delete keys
at the same time
Click here to change
Install protective software
Antivirus
AVG free http://free.avg.com/
AVAST
free http://www.avast.com/eng/avast_4_home.htmlMcAfee
Install protective software
AntiSpyware
Windows Defender free
http://www.microsoft.com/windows/products/winfamily/defender/defa ult.mspx
Ad-Aware free http://www.lavasoft.com/ McAfee
Install protective software
Encrypt data
Secure online and network
transactions
1.
Use strong passwords
2.
Protect against hacking and spyware
3.
Clear history and cache periodically
4.
Delete cookies periodically
5.
Avoid sharing personal information
6.
Make online transactions on secure sites
7.
Configure security components
8.
Disable active content
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
