FIREWALLS

A firewall blocks all traffic that is unauthorized access to your computer via the internet. A vast majority of people that use a computer at home would use a software firewall that is set up through either a computer or an automatic update.

VIRUSES

Computer viruses can be harmfull you computer. They are created by programmers and hackers that feel disenfranchised with major companies such as Microsoft and have been create these viruses that can infect and can even destroy computer hardware.

SPYWARE

Spyware is something to keep an eye on. Spyware can infect the main performance of your computer and can be very easily undetected.