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All about Port Scanning When you're connected to the Internet, information is flowing to and from your PC in a near-constant stream through your PC's ports. There are thousands of ports and they are like little gates that let information in and out. Hackers scan the ports on your PC to figure out if they are open or exist at all. If your computer reports an open port, a hacker can send worms and viruses to it. They can even use an open port to take control of your PC. |