It describes the basic Difference between viruses and worms and also the prevention techniques from them in a very easy way and simple language. Also describes the symptoms of system when affected by viruses and worms. Also has some examples of those.

2. CONTENTS
 VIRUS
 PREVENTION FROMVIRUSES
 WORMS
 PREVENTION FROMWORMS
 DIFFERENCE

3. VIRUS
 DEFINATION :
VIRUS IS A PROGRAM CODE THAT
ATTACHES TO APPLICATION
PROGRAM i.e. AN .exe FILE. AND
WHEN APPLICATION PROGRAM
RUNS IT RUNS ALONG WITH IT.
EXAMPLE :
MELISSA V/E.

4. HOW TO KNOW WETHER YOU
ARE INFECTED OR NOT ?
 SYMPTOMS :
UNUSUALVISUAL ORVFX (SOUND
EFFECTS).
LOSS OR CORRUPTION OF DATA ON
SYSTEM.
COMPUTER RESTARTING
UNEXPECTEDLY.

5. WHAT CAN A VIRUS DO ?
 IT CAN DELETE OR CORRUPTTHE DATA
ON SYSTEM.
 DISABLETHE COMPUTER BY DAMAGING
OS SYSTEM FILES.

6. PREVENTION
 BESTWAYTO PREVENTTHEVIRUS ATTACK
ON SYSTEM IS BY BUYING A GENUINE
COPY OFANTIVIRUS.
 ALSO GETTHE LATEST SECURITY PATCH
INSTALLED ON SYSTEM FOR MSWINDOWS
OS.

7. WORMS
 DEFINATION
IT IS A CODETHAT REPLICATE ITSELF IN
ORDERTO CONSUME RESOURCESTO
BRINGTHE SYSTEM DOWN
E.G :
CODE REDWORM

8. HOW TO KNOW WETHER
INFECTED BY WORM OR NOT ?
 WHEN INFECTED SYSTEM BECOMESVERY
SLOW.
 UNWANTED FOLDERSAPPEARS FROM
NOWHERE.
 E.G :
$RECYCLE.BIN
SystemVolume Information

9. WHAT DOES WORM DO ?
 IT REPLICATESTHE DATA FILES ONTHE
SYSTEMSTHUS USING A LARGEAMMOUNT
OF STORAGE SPACE.
 CAUSES A SERVERTO SLOW DOWN.

10. PREVENTION
 TO PREVENT ITWE NEEDTO USE LATEST
ANTIVIRUS ORANTI-MALWARE
SOFTWARE.
 GETTHE LATEST SECURITYPATCH
INSTALLED.
 WE CANALSO USETHE FIREWALL.

11. ANY DIFFERENCE ?
VIRUS WORM
 IT INSERTS ITSELF
INTOA FILE OR
EXECUTABLE
PROGRAM.
 IT RELAYS ONTHE
USERTOTRANSFER
TO OTHER SYSTEM.
 IT HARMS i.e.
DELETES OR
MODIFIES FILES.
 IT EXPLOITSWEAKNESS
INAPPLICATION OR OS
BY REPLICATING
ITSELF.
 IT USES NETWORKTO
TRANSFERWITHOUT
INTERVENTION OF
USER.
 IT GENERALLY
MONOPOLIES CPU &
MEMORY.

12. THANK YOU