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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. - PowerPoint PPT Presentation
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Why Security Matters
• Public nuisance
• Loss of productivity– The cost of spam!
• Loss of data
• Identity theft
• Credit card fraud
• Erosion of trust
1. Use an Anti-Virus tool
50,000+ Windows VirusesNew viruses up 400% from last yearDownload Sophos Anti-Virus from ITS
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
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
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
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
Is my computer compromised?• Slower than normal performance• System crashes• Pop-up ads• Home page has changed• Browser crashes• Possibly no symptoms!
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!
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?
Coming Soon!
• Microsoft Free Computing Environments (MFCE)• Costs and Benefits• The Open Source Movement
Macintosh
Linux
Open Office