Imagine some one taking photos, videos, and important documents from your personal computer and putting them some where else holding your pc as hostage, and makes you pay ransom for getting your valuables back, it is very much obvious that your computer is attacked by spy ware.

A spy ware is software that secretly enters your computer and collects your personal data without your acceptance by monitoring activities while you are surfing the web. It can change your computer fire wall settings and functionality by entering into it as an uninvited guest. This results in low connection speeds by affecting your hard disk and CPU cycles.

Generally spy ware run as applications or pop up adds in the web pages that ask your permission to scan your computer for viruses, and if you allow them they install software in your computer instead of scanning it and this is the most serious form of cyber crime these days. Spy ware can steal user passwords, affiliate credits and grab internet surfing habits of the user resulting in altered home pages, slow computer performance and failure in connectivity thereby offending you to the utmost.

Sometimes this malicious software claims credit for displaying the adds on your internet home page and if you pay them once you have to pay forever.

Different forms of spy ware like mal ware attacks your computer without your permission if you open a web page that contains it. Steal ware is s specific software that is in search of clicks from the surfer. Browse hijacker maliciously gets rooted in the browser functioning and gets hold of user passwords in a secret manner and ad ware delivers the unwanted advertisements and infects your computer.

You can combat with spy ware with an anti spy which is designed specifically to destroy it.