The most important thing you can do to secure your Wi-Fi network is to enable WPA2 encryption. This makes it difficult for outsiders to access your computers and Internet connection, and the process takes only a few minutes.Continue Reading
In many cases, you can access your router's configuration page by typing "192.168.1.1" in the address bar of your Web browser while connected to the router. This should present you with a page asking for a login and password. If you do not know this password, or if you cannot connect to your router's Web interface, check your owner's manual or contact your Internet service provider for assistance.
On the wireless page of your setup menu, you should see an option to enable encryption. Typically, you have the choice of WEP, WPA or WPA2 encryption. WPA2 is the most secure. Choose "personal" over "enterprise" if the option is given to you. In the password box, enter a string of numbers, letters and symbols, avoiding simple words that can be found in the dictionary.
Once your Wi-Fi network is encrypted, you need to enter the same WPA2 password into each of your devices to allow them to connect. In many cases, your devices automatically prompt you for the password when connecting for the first time. You can also enter it through the device's wireless setup menu.