Threats to your computer system, data, and identity come in many different forms, a few of the most common are listed as follows:
Viruses:
A virus is a self-replicating program that is designed to damage or degrade the performance of a computer. A virus is replicated by being copied or by initiating its copying to another program, computer boot sector or document. Viruses can be classified into four different categories as follows:
File Infector
A File infector virus when executed on a system will seek out other files and insert its code into them. The programs with .EXE and .COM extensions are the most commonly targeted, but a file infector virus can target any executable file.
This infection is most commonly distributed via compromised networks, over the web via drive-by, or from a corrupted media (CDRW, flash media).
