Full CheckUp For Your Business:
Think that you go to a doctor periodically for checkups. He checks laboratory results for known diseases and unusual outcomes. If he finds something odd, he extends the tests and finds the reason and prescribe for the cure if possible. This process is called Penetration Test.
But you may vulnerable against to an undiscovered sickness or weakness unique to your DNA. No check-up can find it. So you should seek to Full Stack Security Research as an advanced laboratory work concentrated to your full IT infrastructure stack, to resolve undiscovered vulnerabilities and weaknesses in your corporate.