What is computer security?
Why should I care about computer security?
Who would want to break into my computer at home?
How easy is it to break into my computer?
What does "broadband" mean?
What is cable modem access?
What is DSL access?
How are broadband services different from traditional dial-up services?
How is broadband access different from the network I use at work?
What is a protocol?
What is IP?
What is an IP address?
What are static and dynamic addressing?
What is NAT?
What are TCP and UDP ports?
What is a firewall?
What does antivirus software do?
Computer security risks to home users
What is at risk?
Intentional misuse of your computer
Trojan horse programs
Back door and remote administration programs
Denial of service
Being an intermediary for another attack
Unprotected Windows shares
Hidden file extensions
Accidents and other risks
Power failure and surges
Actions home users can take to protect their computer systems
Consult your system support personnel if you work from home
Use virus protection software
Use a firewall
Donít open unknown email attachments
Donít run programs of unknown origin
Disable hidden filename extensions
Keep all applications (including your operating system) patched
Turn off your computer or disconnect from the network when not in use
Disable scripting features in email programs
Make regular backups of critical data
Make a boot disk in case your computer is damaged or compromised
Appendix: References and additional information
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