What is Virus, Spyware, Trojan, Worm, Malware ?

ARE YOU CONFUSED ABOUT TERMS Virus, Spyware, Trojan, Worm, Malware?

 

LET US SEE WHAT IS WHAT?

VIRUS :: is a piece of software that can copy itself and which attaches itself to some other program in your computer in order to survive and replicate. It may have some malicious intent or it may exist simply to reproduce.

(If one application have a virus in your computer then it spreads to all remaining applications of your computer)

WORM :: is similar but it can exist independently; it doesn’t need to attach to a separate program. A self-replicating program able to propagate itself across a network of systems, typically having a detrimental effect. 

 

(Spreads in a network)

TROJAN HORSE :: is a piece of software that gains access to a computer by pretending to be benign or by hiding within some innocent-looking application. The name is obviously derived from the wooden horse employed by the Greek army during the Trojan Wars. Mostly from free online games from suspectable sites.

 

(Silently transfers your passwords and personal information to the creator)

SPYWARE :: Spyware is software that secretly monitors computer activity, attempting to gain private information without the computer user knowing.

MAL WARE :: Malware is a general term for representing all such programs. It simply a software, of whatever sort, written with a malicious intent.