Most security organizations recommend a 20 character password to increase the security of WPA. Make sure you write it down. While not foolproof, WPA provides a much more robust security mechanism than WEP. If you want to ensure that your communication is indeed secure communication, WPA would be a better choice.
Almost all of us have jumped onto someone else's unsecured Wi-Fi network. There's little harm in that if you're just an honest soul looking for an Internet connection.
But if you're the owner of an unsecured network, you should be aware that the world's not made up entirely of honest souls–and it's not hard for the dishonest ones to see exactly what you're doing on your network. Sound scary? Here's how to fix the problem.
You can use a wireless network to share Internet access, files, printers, and more. Or you can use it to surf the Web while you're sitting on your couch or in your yard. Plus, it's easier to install than you think.