3. FLOW OF PRESENTATION
Introduction
What is Computer Virus ?
How can spread a virus ?
Categories of virus
How can we safe ?
4. INTRODUCTION
Computer virus is a type of software
program.
Some virus may display on message on
screen.
They can also erase files or even format
floppy or hard disk and crash the system
5. WHAT IS COMPUTER VIRUS ???
A virus is a parasitic program that infects another
legitimate program which is sometimes called the
host .
6. HOW IT IS SPREAD ???
Virus can spread in many ways. Like as
E-mail
Downloading
Copy
7.
8. CATEGORIES OF VIRUS…
Depending on your source of
information,different typs of virus may be
described in many ways. Some specific
categories of virus include the following…
Biomodal or Multipartite Virus : Infect both files
and the boot sector
Bombs : Infect by date and time
Boot Sector Virus : Infect the hard and floppy
disk
9. E-mail Virus : Transmitted via internet
File-Infecting Virus : Infect program files
Macro Virus : Infect document files
10. HOW CAN WE SAFE FROM VIRUS ???
Checking for viruses requires antivirus software
which scans your computer’s memory and disks for
known viruses and eradicates . Some popular
antivirus program include …
McAfee VirusScan
Norton Antivirus
Virex
Avast!
Panda
11. Compute Security Institute(CSI).
http://www.gocsi.com
Ibm Anitivirus Research
http://www.research.ibm.com/antivirus
Vmyths.com
http://www.vymths.com
