Windows Tutorial 5
Protecting Your
Computer
COMPREHENSIVE
Objectives
XP
• Set up Windows Firewall and Windows Update
• Protect your computer from viruses and other
malicious software
• Use Windows Defender to protect against
spyware
• Manage Windows Mail security
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Objectives
•
•
•
•
XP
Manage Microsoft Internet Explorer security
Set up user accounts
Control access to your computer
Secure and share folders
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Using the Windows Vista
Security Center
XP
• Improved features in Windows Vista keep your
computer safe from threats such as viruses,
worms, hackers, crackers, and spyware
– Security Center
– Windows Defender
– User Account Control
– Back Up and Restore
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Using the Windows Vista
Security Center
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XP
5
Adding a Program to the Windows
Firewall Exception List
XP
• Click the Start button, click Control Panel, click
Security, and then click Windows Firewall
• In the left pane, click Allow a program through
Windows Firewall, then click the Continue button, if
necessary
• In the Program or port list, click to select a program
check box. If a program does not appear in this list,
click the Add program button, click a program in the
Add a Program dialog box, or click the Browse button
to locate and select a program
• Click the OK button
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Setting Up Windows Update
XP
• An update is a change to software that can
prevent or repair problems, enhance the security
of the computer, or improve the computer’s
performance
• In the left pane of the Windows Security Center
window, click Windows Update
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Setting Up Windows Update
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XP
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Protecting Your Computer
from Malware
XP
• In the Windows Security Center window,
examine the settings in the Malware protection
section
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Defending Against Spyware
XP
• Spyware is software that can install itself or run
on your computer without your consent or
control
– Adware
– Pop-up ads
• To perform a scan with Windows Defender:
– Click the Start button, click Control Panel, click
Security, and then click Windows Defender
– Click the Scan button arrow on the toolbar, and then
click Quick Scan
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Defending Against Spyware
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XP
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Scheduling a Spyware Scan
XP
• In the Windows Defender window, click the
Tools button on the toolbar to open the Tools
and Settings page, and then click Options
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Defending Against E-mail Viruses
with Windows Mail
XP
• An annoying and potentially dangerous type of
privacy invasion is spam, or junk e-mail
• Start Windows Mail
• Click Tools on the menu bar, and then click
Options
• Click the Security tab
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Defending Against E-mail Viruses
with Windows Mail
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XP
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Adding a Sender to the Blocked
Senders or Safe Senders List
XP
• To block a sender in Windows Mail, right-click a
message whose sender you want to add to the
Blocked Senders list, point to Junk E-mail, and then
click Add Sender to Blocked Senders List on the
shortcut menu
• To always allow a sender, right-click a message
whose sender you want to add to the Safe Senders
list, point to Junk E-mail, and then click Add Sender
to Safe Senders List on the shortcut menu
• Click the OK button
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Managing Microsoft Internet
Explorer Security
XP
• Internet Explorer offers the following security
and privacy features:
– Phishing filter
– Protected mode
– Digital signatures
– Pop-up Blocker
– Add-on Manager
– Privacy settings and alerts
– Secure connections
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Managing Microsoft Internet
Explorer Security
XP
• Click the Tools button on the toolbar, point to
Phishing Filter, and then click Check This
Website
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Blocking Pop-up Ads
XP
• Click Tools on the Internet Explorer toolbar,
point to Pop-up Blocker, and then click Pop-up
Blocker Settings
• Click the current Filter level setting, and then
click a setting ranging from High to Low
• Click the Close button
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Managing Add-on Programs
XP
• A browser add-on is a program offered by any
software vendor that provides enhancements
such as a toolbar or improved search feature
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Selecting Privacy Settings
XP
• Click Tools on the Internet Explorer toolbar, and
then click Internet Options
• Click the Privacy tab in the Internet Options
dialog box
• Drag the slider to select a privacy setting ranging
from Block All Cookies to Accept All Cookies
• Click the OK button
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Selecting Privacy Settings
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Internet Explorer
Advanced Settings
XP
• You can manage advanced Internet Explorer
settings to enhance the security of your
computer
– Enable third-party browser extensions
– Do not save encrypted pages to disk
– Empty Temporary Internet Files folder when browser
is closed
– Warn if changing between secure and not secure
mode
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Setting Up User Accounts
XP
• Open the Control Panel in Category view, click
User Accounts and Family Safety, and then click
User Accounts
• Click Manage another account
• Click Create a new account
• Type the new account name, click the Standard
user option button or the Administrator option
button, and then click the Create Account
button
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Setting Up User Accounts
XP
• Click Create a Password
• Click in the New password text box, and then
type your password
• Click in the Confirm new password text box, and
then type your password again
• Click in the Type a password hint text box, and
then type a hint to help you remember your
password
• Click the Create password button
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Setting Up User Accounts
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XP
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Controlling Access
to Your Computer
XP
• One way to manage access to your computer is
to take advantage of User Account Control (UAC)
– The UAC feature is turned on by default, and should
not be turned off
• Another way to protect your privacy and reduce
power consumption is to let your computer go to
sleep after a specified amount of idle time
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Securing and Sharing Folders
XP
• If more than one person uses your computer,
you can share files and folders with them in two
ways:
– Explicitly allowing another user to share a folder
– Storing files in the Public folder
• When you explicitly share files, you set sharing
permissions that determine who can change
your files and what kinds of changes they can
make
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Assigning Permissions to Folders
XP
• To specify which users can access a folder you
want to share, click the folder in a folder
window, click Share on the toolbar, and then
enter the account name of another user on the
computer
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Assigning Permissions to Folders
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