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Hillsboro R-3 Technology Department





Virus Information and Solutions

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 browse or search  information on viruses

 also see
 glossary of terms

 browse or search  information on
 vulnerabilities

 also see
 glossary of terms



Virus Removal Tools

Virus Calendar

Virus Hoaxes

Virus Glossary

Virus Newsletters

Anti-Virus Tips

Guide for Parents

Recent Viruses

Top 10 Viruses


What is a Virus?
A virus is a manmade program or piece of code that causes an unexpected, usually negative, event. Viruses are often disguised games or images with clever marketing titles such as "Me, nude."

What is a Worm?
Computer Worms are viruses that reside in the active memory of a computer and duplicate themselves. They may send copies of themselves to other computers, such as through email or Internet Relay Chat (IRC).

What is a Trojan Horse?
A Trojan horse program is a malicious program that pretends to be a benign application; a Trojan horse program purposefully does something the user does not expect. Trojans are not viruses since they do not replicate, but Trojan horse programs can be just as destructive.

Many people use the term to refer only to non-replicating malicious programs, thus making a distinction between Trojans and viruses.
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