Protect Your Computer From the "Internet Doomsday" Virus

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How Can the Hackers Access My Computer? 

A Domain Name System (DNS) allows your computer to communicate with DNS servers run by your Internet service provider and allows you to surf the web freely. Hackers use a combination of default usernames and passwords to break into your computer's DNS, and, if successful, they can control other devices in your home or office, such as a wireless Internet router.  (Photo: REUTERS/Arko Datta)

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