When I first had a look a my girlfriends unsecured wireless router, I found that she had about 6 other people who had jumped onto her bandwidth.  I quickly secured the network and all was good. I just found this great little link about how to have fun with the intruders instead of cutting them off Through these router configurations, you can re-direct them to a specific website, or even more fun, you can turn their browsing experience into hell by... Read more about wireless router?