I am wondering what is Pen. Testing? And what is it used for?

If you would of looked in the forum before posting this you'd know it..
anyway read this: http://www.ethical-hackers.org/Thread-wh...pentesting

Hi! And welcome to our website :). We're glad that you've chosen to visit and I for one hope that you find this website useful in many ways. Please feel free to take a look around, and to fully read our rules (which are linked at the top of the home page).

Very nice to meet you :)