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Network Know-How by John Ross

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Wireless Security

Wireless networks are not secure. They are safe enough for many users most of the time, but it's just not possible to make a network that uses radio to exchange data absolutely private.

Wireless networks are a trade-off between security and convenience. The obvious benefits of a wireless network connection—fast and easy access to the network from a portable computer or an isolated location—come at a cost. For most users, the convenience of wireless operation outweighs the possible security threats. But just as you lock the doors of your car when you park it on the street, you should take similar steps to protect your network and your data.

The simple truth is that a wireless network uses radio signals with a well-defined set of ...

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