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security.ppt
- 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
- 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. 5. Apply Security Updates a. Start/Windows Update b. Choose Express Install c. Install Priority 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 Macintosh Linux Open Office
- 21. Acknowledgements • Stephanie McCarthy - Graphics • “Big Dave” Dennehey - Technical Consulting