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Title:

Computer Security 1

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Title: Computer Security Author: Houston Public Library Last modified by: Jen Glatz Created Date: 3/17/2009 6:36:16 PM Document presentation format – PowerPoint PPT presentation

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Title: Computer Security 1


1
Computer Security 1
  • Keeping your computer safe

2
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

3
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 computers and the corresponding
    solutions.

4
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

5
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.

6
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

7
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

8
Questions??
9
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 e-mail
    and instant messaging transactions.

10
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
  8. Keep your computer up to date

11
Protecting Your Computer Implement user
identification
12
Protecting Your Computer Set a username
13
Protecting Your Computer Set a password (cont.)
14
Protecting Your Computer Set a password (cont.)
15
Protecting Your Computer Set a password (cont.)
16
Protecting Your Computer Set a password (cont.)
Click here after filling this form
17
Protecting Your Computer Lock your computer
Press Ctrl Alt Delete keys at the same time
Click here to change your password
Click here to lock your computer
18
Install protective software Antivirus
AVG free http//free.avg.com/
AVAST free http//www.avast.com/eng/avast_4_h
ome.html
McAfee Symantec
19
Install protective software AntiSpyware
  • Windows Defender free http//www.microsoft.com/win
    dows/products/winfamily/defender/default.mspx
  • Ad-Aware free http//www.lavasoft.com/
  • McAfee
  • Symantec

20
Install protective software Firewall
21
Encrypt data
Right click file
22
Back up data
23
Back up data (cont.)
24
Back up data (cont.)
25
Back up data (cont.)
26
Restore data
27
Restore data
28
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
  9. Use security help from your ISP

29
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

30
Questions??
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