VIA Arena today shows us how to protect wireless home networks:
Wireless routers come stock standard with default settings that are known to hackers and also don't provide any network security. But so many people are just happy if they get their home wireless network up and running. The manual and the terminology of network security seems too daunting to tackle for a lot of people. After you read over this guide, however, you will feel confident enough to at least change the SSID and enable MAC address filtering giving you a decent level of security against low-grade casual hackers seeking a free internet connection.