Expert in Offensive Mainframe Security Training

We provide the only publicly available Penetration Testing course focused exclusively on Mainframes. If you want to elevate your value as an Offensive Security expert, or bring cutting-edge mainframe skills to your security team, we are here to help. Our comprehensive training provides the expertise and practical techniques required to assess and test these critical systems — offered at a highly competitive price. M.O.S.T - Mainframe Offensive Security Tester.