Frank Thater has studied Information Science (Diplom-Wirtschaftsinformatiker) at the university of Paderborn, Germany, and IT security (M.Sc.) at the Ruhr-university in Bochum, Germany. He is a trained Offensive Security Certified Professional (OSCP), Certified Ethical Hacker (CEHv8) and a TÜViT ISO 27001 ISMS-Leadauditor. He is working as a consultant since 1999.
Andreas Schwier has studied Electrical Engineering at the Ruhr-university in Bochum, Germany, and Information Science at the University of Paderborn, Germany. He graduated the BSI Common Criteria workshop and is a Certified Ethical Hacker (CEHv8). He is working as a consultant since 1986.