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By: Alisha Schnapper Computer Viruses
Definition of a virus <ul><li>A software program that has been designed by other computers users to cause destruction on a...
Signs of a computer virus <ul><li>The computer runs slower than normal </li></ul><ul><li>The computer stops responding or ...
4 most common computer viruses Distribution:   Shared Email Pirated software Shared USB stick Boot Sector-   overwrites th...
Rich Skrenta <ul><li>Rich Skrenta developed the first virus in 1982 when he was 15 in high school </li></ul><ul><li>He nam...
Facts about Viruses <ul><li>There are tools that allow anyone to quickly scan large amounts of computers for vulnerabiliti...
Computer Viruses come from... Opening attached email Installing programs from the internet Not   reading the licensing agr...
<ul><li>Spyware  is very similar to  adware where it runs in the background without our knowledge </li></ul><ul><li>Main p...
Protecting your computer <ul><li>Keeps your computer up-to-date </li></ul><ul><li>Have anti-virus installed </li></ul><ul>...
Step for removing a virus <ul><li>1) Visit Microsoft and install the latest updates </li></ul><ul><li>2) From the supplier...
References <ul><li>http://micorsoft.com </li></ul><ul><li>http://www.ontrackdatarecovery.com </li></ul><ul><li>http://soft...
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Slideshow Alisha Schnapper

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Transcript of "Slideshow Alisha Schnapper"

  1. 1. By: Alisha Schnapper Computer Viruses
  2. 2. Definition of a virus <ul><li>A software program that has been designed by other computers users to cause destruction on a computer and than spread to others </li></ul>
  3. 3. Signs of a computer virus <ul><li>The computer runs slower than normal </li></ul><ul><li>The computer stops responding or freezes </li></ul><ul><li>The computer crashes and restarts </li></ul><ul><li>Applications don’t work correctly </li></ul><ul><li>Hard drives are inaccessible </li></ul><ul><li>The print button doesn't print correctly </li></ul><ul><li>Error signals pop up on the screen </li></ul>
  4. 4. 4 most common computer viruses Distribution: Shared Email Pirated software Shared USB stick Boot Sector- overwrites the boot sector on your hard drive or floppy disk Macro Virus- comes from a spread sheet or document through an email Adware- appears when advertisement pop up on the screen Trojan Horse- appear to be legitimate files. They don’t reproduce by infecting other files Worms- are detected and eliminated by anti-virus
  5. 5. Rich Skrenta <ul><li>Rich Skrenta developed the first virus in 1982 when he was 15 in high school </li></ul><ul><li>He named the virus the Elk Cloner that infected the original apple machines </li></ul>
  6. 6. Facts about Viruses <ul><li>There are tools that allow anyone to quickly scan large amounts of computers for vulnerabilities. </li></ul><ul><li>From the use of the internet that allows people to discover and identify information on the computer that can access your network. </li></ul><ul><li>Having an anti-virus is not enough for the safety of your computer but it is a crucial element. </li></ul>
  7. 7. Computer Viruses come from... Opening attached email Installing programs from the internet Not reading the licensing agreement Down loading Anti-spyware tools
  8. 8. <ul><li>Spyware is very similar to adware where it runs in the background without our knowledge </li></ul><ul><li>Main purpose is for marketing and research </li></ul><ul><li>They use this information to figure out what web programs run on your screen </li></ul><ul><li>Anti-Spyware: can be downloaded from the internet </li></ul><ul><li>Does little to remove the problem </li></ul><ul><li>Actually makes spyware worse </li></ul>Spyware and Anti-spyware
  9. 9. Protecting your computer <ul><li>Keeps your computer up-to-date </li></ul><ul><li>Have anti-virus installed </li></ul><ul><li>Be smart in your web browsing- no illegal downloading or pornography </li></ul><ul><li>Have caution when opening emails </li></ul>
  10. 10. Step for removing a virus <ul><li>1) Visit Microsoft and install the latest updates </li></ul><ul><li>2) From the supplier of the anti-virus software, visit the site, update the software and perform a complete scan </li></ul><ul><li>3) Download, and install the Malicious software tool from windows </li></ul>
  11. 11. References <ul><li>http://micorsoft.com </li></ul><ul><li>http://www.ontrackdatarecovery.com </li></ul><ul><li>http://software.4.reviews.net </li></ul><ul><li>http://essentialscomputersecurity.com </li></ul>
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