What is Virus??
Virus: A program or piece of code that is
loaded onto your computer without your
knowledge and runs against your wishes.
Requires a human action to spread infection.
Viruses are executed via executable files.
It can delete files, format hard disk, take up system resources that will cause system crash or shutdown.
What is Worms?
Worms: A program or algorithm that
replicates itself over a computer network
and usually performs malicious actions.
Worms are executed via weaknesses in system.
– Replicates itself automatically.
– Can infect computers by Spyware, Malware, and Email.
• Code Red
• SQL Slammer
