VIRUS ?? WHAT IS THAT ??

VITAL INFORMATION RESOURCES USER SEIZE

VITAL MEANS IMPORTANT SEIZE MEANS TAKE SUDDENLY.

• A VIRUS IS A SOFTWARE THAT SPREADS FROM PROGRAM TO PROGRAM, DISK TO DISK, AND IT USE EACH INFECTED FILE OR PROGRAM TO MAKE COPY IT SELF.
• A VIRSU IS A SMALL COMPUTER PROGRAM THAT IS BEING CREATED FOR BAD PURPOSE LIKE DISTROY THE SYSTEM, STEALING THE DATA, DELETE OR REMOVE INFORMATION STORED IN DISK OR ANYTHING.

LETS SEE SOME HISTORY…!!

• THE TERM COMES FROM THE BIOLOGY. A COMPUTER VIRUS REPRODECE BY MAKING,POSSIBLY MODIFIED, COPIES OF IT SELF IN THE COMPUTER’S MEMORY,STORAGE OR OVER A NETWORK. AS SIMILAR TO THE WAY A BIOLOGICAL VIRUS WORKS.
• FIRST VIRUS WA CREATED OUT SIDE THE COMPUTER, IT WAS WRITTEN ON THE PAPER.

• THE CREATEOR OF FIRST VIRUS WAS ” RICH SKRENTA ” AND THE NAME OF THAT VIRUS WAS “ELK CLONER ” IT WAS IN 1982.
• THE VIRUS WAS ORIGINALLY A JOKE THAT IS CREATED BY A HIGH SCHOOL STUDENT AND PUT INTO A GAME, IF A GAME IS PLAYED A 50 TIMES THEN THIS VIRUS RELEASED.

LETS SEE SOME STETESTICS…..!!

• OVER 80% OF ALL KNOWN VIRUSES ARE FOR MICROSOFT PLATFORMS
• LESS THAN 52000 ARE VIRUS FOR DOS/WINDOWS/NT PLATFORMS
• ABOUT 6000 OF THESE ARE WORD MACRO VIRUS
• ABOUT 150-200 KNOWN TO BE WIDESPREAD “IN THE WORLD”
• IN 1999 APPROXIMATLY 650 NEW VIRUSES WERE REPORTED EACH MONTH

LETS SEE THE TYPES OF VIRUSES……!

• BOOT VIRUSES
• PROGRAM VIRUSES
• MULTIPARTITE VIRUSES
• THE STEALTH VIRUSES
• PARASITIC VIRUSES
• POLYMORPHIC VIRUSES
• MACRO VIRUSES

                                                                                                   VIRUSES V/S WORMS                                                                                          

SPREAD FROM PROGRAM TO PROGRAM OR DISK TO DISK	USES COMPUTER HOSTS TO REPRODUCE THEMSELVES
USE EACH INFECTED PROGRAM TO MAKE COPIES IT SELF	TRAVEL INDEPENDENTLY OVER COMPUTER NETWORKS
COMPUTER SABOTAGE	SOFTWARE SABOTAGE
DISTROY DATA OR ERASES DISKS	RESIDE IN MEMORY RATHER ON DISK
OPERATING SYATEM SPECIFIC	PUTS COMPUTER AT A STANDSTILL

                          TIPS……………………….!!

• COMPUTER VIRUSES AND WORMS CAN SO EASLY BE PLACED INTO YOUR WORK STATION SO YOU MUST BE CAREFUL WHEN GOING ON THE INTERNET, OPENING THE EMAIL FROM UNKNOW ADDRESS, AND MAKE SURE YOU MUST HAVE SOME KIND OF ANTI-VIRUS AND MAKE THEM ALWAYS UPDATED.

————————————————–     THANK YOU   ———————————————

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