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Protect Your System: Understanding Viruses and Spyware

Learn about viruses, spyware, and how to stay safe online. Discover how they infect your computer, prevention methods, and IT solutions. Take control of your digital security today!

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Protect Your System: Understanding Viruses and Spyware

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  1. Windows Security Tech Talk 9/25/07

  2. What is a virus? • A computer program designed to self replicate without permission from the end user • The program can simply be annoying (displaying messages), or it can be damaging (deleting files) • A Program written and distributed by a person

  3. How do you get a virus? • Documents • Macros • Email attachments • File sharing applications • External disks (CD’s, Flash Drives)

  4. What ITS is doing on campus • Scans all email messages for viruses • Protects servers against know vulnerabilities • Operates firewalls and gateways to block virus activity • Freeze public computers to prevent spreading • Installs and configures Sophos Anti-virus on campus computers

  5. What is Spyware? • A computer program designed to monitor your activity • The program can collect information silently and then sell that information to advertisers • The program can cause annoying pop up messages and/or redirect your web browser

  6. How do you get spyware? • Pop up ads • Attached to freeware or shareware • Almost all file sharing applications come with spyware • Disguised as security software or anti-spyware programs

  7. What ITS is doing on campus • Filter email messages known to cause spyware (Postini) • Freeze public computers to prevent spyware • Installs and configures Webroot Spysweeper on campus computers

  8. What you can do at home • Run Windows Update to download the latest security patches • Schedule Windows Updates to install automatically to help you remember (control panel) • Turn on your pop up blocker and phishing filter (IE7)

  9. What you can do at home • Install anti-virus software • Norton • McAfee • Trend Micro • Keep your software up to date

  10. What you can do at home • Install anti-spyware software • Webroot Spysweeper • Microsoft Windows Defender • Ad-Aware • Spyware Doctor • Spybot • Keep your software up to date

  11. What you can do at home • Install a Windows Firewall • A Firewall monitors and restricts information that travels between your computer and the Internet • Windows XP firewall (control panel) • Norton • Zone Alarm

  12. What you can do at home • Don’t install programs you don’t need • Avoid freeware programs • Resist pop-up ads that tell you that you won something, or that wants to fix something • Use Junk mail filters on your email

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