Metasploit is an open-source penetration / auditing framework written in ruby. I also liked this book: http://www.amazon.com/Hacking-Art-Exploitation-Jon-Eric

Metasploit is an open-source penetration / auditing framework written in ruby. I also liked this book: http://www.amazon.com/Hacking-Art-Exploitation-Jon-Erickson/dp/1593270070 http://www.amazon.com/Hacking-Art-Exploitation-Jon-Erickson/...