Need IT security guy to test hacking a server

I need somebody good in Linux and who thinks he can hack my PHPNUKE script on my server, i want to test it, if he can I will pay him $500 and to tell me how he did it thus I will know how secure I am. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3) Complete ownership and distribution copyrights to all work purchased. ## Platform linux