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7. Wireless > 69. Enable WiFi Encryption

Enable WiFi Encryption

Using an unencrypted WiFi network is like putting a big sign on your front door saying, “Burglars: the door’s open and no one’s home. Come in and help yourself.” Here’s how to put a virtual lock on your WiFi network to stop snoopers from coming in.

WiFi networks are incredibly convenient—and incredibly easy to snoop on. All that data going out over the air between your PCs and between your PCs and the Internet can easily be snooped on by anyone nearby using simple, off-the-shelf software such as packet sniffers. Virtually every keystroke and piece of data that goes out across your network can be read.

[Hack #68] discusses a variety of precautions that will help protect your wireless network. Those hacks will help keep out most snoopers. But the most determined ones might be able to bypass them, so your best bet for the most security is to use


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