How to Secure Your WLAN

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Starting at the beginning

To begin with, there are four types of Wi-Fi networks (a, b, g, and n). But the security is not tied to any one type.

If you can connect to a wireless network without entering a password, then there is no security. In this context, the term "security" refers to encrypting data as it travels over the air.

The idea being to prevent a bad guy from capturing all the information coming into and out of a victims' computer and, in effect, looking over their shoulder despite being a few hundred feet away.

Wi-Fi networks offer three security options: WEP, WPA, and WPA2. As a simplistic introduction, think of WEP as bad, WPA as just fine, and WPA2 as great.

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