If it's on a wireless network, it's still not very secure though, why wouldn't you just run everything through a ethernet? That's what I do for all 8 computers in my house upstairs and downstairs all into one router. Not that I was doing anything illegal, but I was able to bruteforce my own WPA2 encryption with rainbow tables in about 30 minutes. Wireless encrypted networks are just not as secure as people think (it depends on your allocated password of course too), but I won't do anything secure as of online banking or any other financial activity on my wireless. It also depends on your router type, if you have a Cisco, you should really just be unplugging it, stomping on it, and throwing it out.