Int+2+-+H+Viruses

Watch this video on the differences between viruses, trojans and worms

media type="youtube" key="a8hZQxWC3A8" height="315" width="420"

You should also [|review this article] which clearly explains the differences between viruses, trojans and worms.

Task
In your own words, write a definition for each of the terms: **virus**, **trojan** and **worm**.

Research
Write a short definition in your own words for each of the following types of virus:
 * File virus
 * Boot sector virus
 * Macro virus
 * Email virus

Read the following articles and then write a short definition in your own words for each of the following types of anti-virus techniques:
 * Searching for [|virus signatures]
 * [|Heuristic detection]