It is an art to performing a pen-test. There are various penetration testing methods available. Pen-testing should be an integral part of product SDLC cycle, and You need an Integrated Penetration Testing Tools and a Lab,These servers are used for commercial penetration testing purposes.
|--Although you should be able to work out who I am, I don't really care, as I can work out who you are. So beware of leaving footprints.--|