Computer Viruses a Digital Histoy
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COMPUTER 
VIRUSES
 A DIGITAL HISTORY
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WHAT IS A 
VIRUS?
A computer virus is like a digital intruder that
can sneak into your device and cause mischief.
It is a type of malicious software designed to
replicate itself and spread to other computers,
often disrupting normal computer operations.
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EARLY INSTANCES OF COMPUTER 
VIRUS?
L
ERSO
NA
P
DAT
A
CREEPER VIRUS
1970
One of the earliest computer viruses that
affected the mainframe computer.
BRAIN VIRUS
1986
Among the first PC viruses, targeting
IBM PC systems.
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0000
C  R 0E 0D 0I 0T   C 0A 0R 0D 0 0000
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NOTABLE HISTORICAL
VIRUS?
OUTBREAKS
MELISSA VIRUS
1999
Spread through email attachments
and targeted Microsoft Word
documents, causing disruptions
to email servers
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ILOVEYOU VIRUS
2000
Rapidly spread via email, causing
significant damage to computer
systems globally.
WANNACRY
RANSOMWARE
2017
 Exploited Windows vulnerabilities,
encrypting data and demanding
ransom payments, causing
global disruption.
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