Sick of Computer Viruses?<br />What they are…<br />Where they came from…<br />Why they’re here…<br />
What do you mean my computer’s infected?<br /><ul><li>A computer virus is a type of software that places a copy of itself ...
It can spread to other software after the infected application is run.
Viruses can make your computer run slow, display odd behavior or allow people to monitor what you do when logged in. </li>...
It was invented in the early 1970’s.
Since then, millions of viruses have been invented.</li></li></ul><li>Types ofViruses <br />Malware - Malicious software<b...
The Danger<br />A virus can change the way your computer behaves. <br />A virus can glean information from what you do on ...
60 Minutes Clip <br />Watch this 60 Minutes clip to learn more about the power of computer viruses:<br />http://www.cbsnew...
How Did I Contract This Virus?<br />Running your computer “unprotected”, i.e. without anti-virus software. <br />By openin...
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Computer Viruses 101

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Learn about computer viruses and what you can do to help prevent them. Keep your information and the library safe from illness! Slideshow developed by Tamara Murray, Web Content Librarian, and Badri Jimale, Network Administrator, as part of a Lunch & Learn series.

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Computer Viruses 101

  1. 1. Sick of Computer Viruses?<br />What they are…<br />Where they came from…<br />Why they’re here…<br />
  2. 2. What do you mean my computer’s infected?<br /><ul><li>A computer virus is a type of software that places a copy of itself within another computer program.
  3. 3. It can spread to other software after the infected application is run.
  4. 4. Viruses can make your computer run slow, display odd behavior or allow people to monitor what you do when logged in. </li></li></ul><li>History of Computer Viruses<br /><ul><li>The first computer virus was called “creeper.”
  5. 5. It was invented in the early 1970’s.
  6. 6. Since then, millions of viruses have been invented.</li></li></ul><li>Types ofViruses <br />Malware - Malicious software<br />Adware - Advertising-supported software<br />Spyware -Collects information about users without their knowledge<br />Worms –Can exploit security vulnerabilities to spread itself to other computers without needing to be transferred as part of a host<br />Trojan horse –A program that appears harmless but has a hidden agenda<br />
  7. 7. The Danger<br />A virus can change the way your computer behaves. <br />A virus can glean information from what you do on your computer. <br />A virus can infect a single computer or a whole network of computers.<br />A virus can make your computer or network to run slow or it can render it completely useless.<br />
  8. 8. 60 Minutes Clip <br />Watch this 60 Minutes clip to learn more about the power of computer viruses:<br />http://www.cbsnews.com/video/watch/?id=5579652n&tag=cbsnewsMainColumnArea.2<br />
  9. 9. How Did I Contract This Virus?<br />Running your computer “unprotected”, i.e. without anti-virus software. <br />By opening an email with an infected attachment. <br />Through an infected storage device, such as a USB drive, a floppy disc or a CD.<br />Via a program obtained over the Internet or another computer network. <br />
  10. 10. What Would the Doctor Prescribe?<br /><ul><li>Install anti-virus software on your computer, such as McAfeee, Norton or Symantec.
  11. 11. Use caution when viewing unknown files, websites or storage devices.
  12. 12. Never open an e-mail attachment from someone you don't know.</li></li></ul><li>Questions?<br />Contact:<br />Computer Services Department<br />Westerville Public Library<br />

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