The key to secure wireless communication is to configure your Wireless Access Point to use WPA2 for Security Type, and AES for encryption.  Refer to the User Guide of your device or other documentation for your specific wireless access point for configuration details.

To quickly check if you need to configure your device:

STEP 1: Right click on your wireless name

STEP 2: Click on Properties

WPA2 is correct, with AES encryption and a network key. If you do NOT have ALL of these settings, you must log in to your router and change the settings. See your router's user manual for help, or write