What is Malware and spyware ?

Malware is a malicious unwanted software often take control of users' computers for black-market exploitation. 

Malware infected computers are called "zombie computers" and can be used for many malicious purposes like sending email spam, hosting offensive material and for conducting denial of service attacks.

A Malware can be a computer virus or trojan horse or spyware or adware or any other type of malicious programme. A Malware can be used to gain personal information or sensitive government data. The rise of the broadband internet led to the proliferation of profit oriented malwares.

Spyware is a type of malware which monitors user's web browsing data. Then the spyware displays advertisements based on the browsing data and fetch advertisement income to the spyware creators.