Long story short, im a notebook user so im on my macbook around the house living room, bed etc when iv noticed from my internet provider that iv used 75% of my internet memory usage which is 60 Gb. I was stunned and i didnt know that i used much and so i stopped using internet for the whole day, the next day it says iv used 100% all of my internet and per 1 gb i use after there charging me $2 each gb. So now i know some douch bag neighbor is stealing my internet. so now i have to install a password but i have no idea how. I have a WRT54G Linksys and i have No idea how to setup a wep password or any kind of password on a mac.. any help?