10. David L. Smith
You may not be familiar with his name, but you should be familiar with the virus he created called Melissa. Melissa was a virus that would infect the user’s computer and send itself through Microsoft Outlook to 50 contacts in the address book. That would happen each time when the virus gets to the new computer. It is estimated that Melissa infected more than 20% of all computers in the world by 2000.
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