Most of the home wireless networks are not set up by professionals and hence they might lack in security features. People just set up the wireless networks by connecting the devices and powering them up and never care to apply security settings to the network. This may result in your wireless network being compromised by unwanted external entities. How ever you can do a web based configuration settings and secure your wireless network by password protecting it. This settings differ from the make of the wireless router. So it is recommended to use your product manual to obtain the required information on how to password protect your network. How ever most of the settings are basically the same configurations which are shown in this video. This video shows how to secure your wireless network by web based configuration.