Computer Viruses a Digital History

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COMPUTER VIRUSES
A DIGITAL HISTORY
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WHAT IS A
VIRUS?
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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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VIRUS?
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EARLY INSTANCES OF COMPUTER
PERSONAL
0000 0000 0000 0000
DATA
CREDIT CARD
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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VIRUS?
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NOTABLE HISTORICAL
OUTBREAKS MELISSA VIRUS 1999 Spread through email
attachments and targeted Microsoft
Word documents, causing disruptions to email
servers
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ILOVEYOU VIRUS
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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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