Deadly Computer Viruses
SQL Slammer or Saphire
Another swiftly spreading virus, it hit 75,000 computers in the first 10 minutes of its inception, taking down and severely damaging numerous American Banks, Security systems and organizations, and Airline networks. And the virus wasnt just privy to the US; it ruthlessly damaged the internet capacity of South Korea for at least half a day. The damage was estimated around at least a billion dollars.