But what kind of program is it really?
It can be explained as, a broad category of malicious software designed to intercept or take partial control of a computer's operation without the "known" consent of that machine's owner or user .
The term is being used quite loosely and includes a number of different programs. The thing they all have in common, is that they monitor the computer and/or user and share information with a third party. With or without the consent of the computer's owner.
Read Kenth's entire article SPYWARE - Know your enemy
Kenth Nasstrom, our official Affiliate Marketing Expert