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NO
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MALICIOUS PROGRAM
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DESCRIPTIONS
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1
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WORMS
 
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DESIGNED TO TUNNEL INTO SYSTEM AND ALLOW MALICIOUS USERS TO CONTROL
COMPUTER REMOTELY
EXAMPLE : SILLY FDC
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2
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TRICKY TROJANS
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USUALLY OPERATES BY TRICKING USERS INTO DOWNLOADING AND RUNNING THE
BOGUS SOFTWARE ON THEIR COMPUTER SYSTEM
CAUSES SERIOUS DAMAGE DURING FILE DELETING
DESTROYS INFORMATION IN COMPUTER
DOES NOT INFECT OTHER FILES
STRIKES BY DISPLAYING ANNOYING POP-UP WINDOWS
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3
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BAD BOTS
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USE INFECTED COMPUTERS TO
SEND SPAM AND HOST PHASING WEBSITES
THEY ARE REFERRED AND
ZOMBIES
ATTATCHED TO A COMPUTER TO
GAIN COMPLETE CONTROL OVER IT
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4
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SPYWARE
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PROGRAM INSTALLED WITHOUT USER’S PERMISSION
SOME IRRITATING YET HARMLESS SPYWARE MAY STEAL COMPUTER’S
MEMORY AND POWER
IT IS MOST DANGEROUS CAUSE IT CAN STEAL OUT PERSONAL INFORMATION OR
FINANCIAL DATA
USUALLY USED BY SCAMMERS TO GET CONFIDENTIAL INFORMATION OF OTHER PEOPLE
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5
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WABBIT
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WABBIT IS A SELF REPLICATING-THREAT
ITS NOT VERY HARMFUL BECAUSE IT DOES NOT WORKING LIKE VIRUS
EXAMPLE : DDOS ATTACK
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6
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KEYLOGGER
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KEYSTROKE LOGGING IS THE ACTION OF TRACKING THE KEYS STRUCK
ON KEYBOARD.
TYPICALLY CONVERT MANNER SO THAT THE PERSON USING KEYBOARD
IS UNAWARE THAT THEIR ACTIONS ARE BEING MONITORED.
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7
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SCAREWARE
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PLANTED IN COMPUTER SYSTEM AND SUDDENLY TELLS THE USER
THAT THEIR COMPUTER IS INFECTED BADLY
TENDS TO SCARE USERS ABOUT THE VIRUSES THAT ATTACK THEIR COMPUTER
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8
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COMPUTER VIRUS
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THEY
CANNOT BE SRPEAD WITHOUT HUMAN ACTIONS
THEY CAN
DAMAGE FILES, SOFTWARE AND HARDWARE
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