Malware is a term describing malicious software that is created to be irritating or in some instances to cause damage to computer or to gather personal information for unlawful purposes. New malware is constantly being introduced to the Internet.

Purpose
The purpose of malware is to cause hurt to or infiltrate a user's computer for the purpose of removal personal data for illegal activity such as fiscal crimes.

Creation
The creation of malware is in a constant state of change. While malware detection and abolition software work to detect and get rid of malware, new malware files are created and introduced daily.

Types
Spyware, keystroke loggers and data-stealing malware are just a few of the types of files that run in the setting on a user's PC unbeknownst to the user until it can be too late.

Protection
There are many commercial products that are designed to scan and detect malware. Their so-called definitions are updated regularly to enable them to detect new threats.