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Windows Security

Windows Security. Larry MacPhee e-Learning@NAU. Why Security Matters. Public nuisance Loss of productivity The cost of spam! Loss of data Identity theft Credit card fraud Erosion of trust. Focus on Prevention. Prevention is easy 6 steps Cure is hard. 1. Use an Anti-Virus tool.

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Windows Security

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  1. Windows Security Larry MacPhee e-Learning@NAU

  2. Why Security Matters • Public nuisance • Loss of productivity • The cost of spam! • Loss of data • Identity theft • Credit card fraud • Erosion of trust

  3. Focus on Prevention • Prevention is easy • 6 steps • Cure is hard

  4. 1. Use an Anti-Virus tool 50,000+ Windows Viruses New viruses up 400% from last year Download Sophos Anti-Virus from ITS

  5. a. Keep your virus definitions up to date b. Scan while you sleep c. Automate the process

  6. 2. Guard Against Spyware NAU recommends Spybot

  7. Find and remove

  8. 3. Filter Spam Manage your NAU e-mail

  9. Customize your filters No more Viagra!

  10. 4. Beware the phish hook

  11. Something phishy? • Urgent e-mail requires your immediate action • Plays on fear of compromised security • Usually doesn’t refer to you by name • Asks you to confirm your identity • Asks you to enter your password • Message may contain typos • May use a suspicious URL More reading

  12. a. Start/Windows Update b. Choose Express Install c. Install Priority Updates 5. Apply Security Updates Note: NAU pushes out security updates to campus machines

  13. Express Install Bypass non-critical updates

  14. Automatic Updates a. Start/Control Panel b. System c. System Properties d. Automatic Updates

  15. 6. Browse Securely • Look for the lock symbol and https:// • Use the VPN for wireless transactions • Use hard to guess passwords • Change passwords frequently • Read your credit card statements • Don’t approve save of credit card info

  16. Why so vulnerable? • 90% of computers run Windows • Many dislike Microsoft and Bill Gates • Windows is not very secure • MS is slow to patch security holes • Hard to regulate and enforce • Lots of novices online

  17. Is my computer compromised? • Slower than normal performance • System crashes • Pop-up ads • Home page has changed • Browser crashes • Possibly no symptoms!

  18. Be afraid! • You might be a zombie! • You might have a keystroke logger • You might be a DDOS pawn • You might be a notorious spammer!

  19. Remedies • Disconnect from the network (temporarily) • Boot up from a System Restore CD • Run anti-virus software • Run anti-spyware software • Run disk, hardware check utilities • Wipe the drive and reinstall everything! • Get a Mac? Learn Linux?

  20. Coming Soon! • Microsoft Free Computing Environments (MFCE) • Costs and Benefits • The Open Source Movement Linux Macintosh Open Office

  21. Acknowledgements • Stephanie McCarthy - Graphics • “Big Dave” Dennehey - Technical Consulting

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