In 2004, a study was done to prove that sixty to seventy percent of all wireless networks are insecure. When having an unsecured wireless network in your home, anyone who is in close distance can access your online activities. Therefore, to secure your wireless network you should use encryption. Almost all wireless access points have some sort of encryption mechanism built in. Use a WPA encryption because the WEP encryption can be deciphered if the person captures enough data.
Another precaution to take is if your wireless access point allows you to disable the identifier broadcaster, you should do so. You should also change your SSID or ESSID because you don't your access point to have an out of the box name. These are the names that are assigned to the wireless access point. Another thing you can do to help secure your wireless access point is to limit which computers are allowed to use it. Every network interface card comes with a MAC address. Most wireless access points contain a mechanism that you can use to tell the access point that only network cards with these specific MAC addresses are allowed to use the network.
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