1. Worms :
Worms is similar to virus but it does not modify the program. It replicate itself more and more to cause slow down the computer system. Worms can be controlled by remote. The main objective of worms to eat the system resources.
2. Spyware :
Spyware is a kind of malware that perform certain works include watching and tracking of user actions and collecting personal data. Spyware programs generally install themselves on system and provides profit to the third party by collecting data of system user without his consent. Malicious spyware also try to catch passwords and personal information of the users by running in background in the system.
Difference between Worms and Spyware :
|A Worm is a form of malware that replicates itself and can spread to different computers via Network.||Spyware is a form of malware designed to collect your personal information.|
|The main objective of worms to eat the system resources.||The main objective of the spyware is to monitor the activity of the system.|
|Worms can be detected and removed by the Antivirus and firewall.||Spyware can be detected and removed by the anti-spyware program.|
|It doesn’t need a host to replicate from one computer to another.||It require host is needed for spreading.|
|It can give unauthorized access and control of the system to the hackers.||It provides profit to the third party by collecting data of user without his awareness.|
|It is less harmful as compared.||It is more harmful as compared.|
|Morris Worm, Storm Worm and SQL Slammer are some of the examples of worms.||Bonzibuddy, Cydore and Downloadware are some examples of spyware.|