Computer
Viruses, Worms, and Trojan Horses
What
are viruses, worms, and Trojan horses?
p. 569
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Virus is a potentially damaging
computer
program
computer
program
Worm copies
itself repeatedly, using up
resources
and possibly shutting down computer or network
itself repeatedly, using up
resources
and possibly shutting down computer or network
Trojan horse hides within
or looks like legitimate program until triggered
or looks like legitimate program until triggered
Payload
(destructive
event) that is delivered when
you open file, run infected program, or boot computer with infected disk
in disk drive
(destructive
event) that is delivered when
you open file, run infected program, or boot computer with infected disk
in disk drive
Can spread and damage files
Does not replicate itself on other computers