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Computer
Viruses, Worms, and Trojan Horses
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What
are viruses, worms, and Trojan horses?
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Worm copies
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itself repeatedly,
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using up
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resources
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and possibly
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shutting down
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computer or
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network
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Virus is a
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potentially
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damaging
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computer
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program
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Trojan horse
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hides within
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or looks like
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legitimate
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program until
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triggered
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Payload
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(destructive
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event) that is
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delivered when
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you open file, run
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infected program,
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or boot computer
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with infected disk
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in disk drive
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Does not
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replicate
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itself on
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other
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computers
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Can spread
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and damage
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files
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