Prof Clark is an acknowledged expert in Cryptography, I.S. Security, Systems Engineering, Information Forensics & Cyber Security. He has worked in the field of Computer and Information Systems Security and Cryptology since 1984 and is a registered expert witness with 20+ years’ experience of presenting computer and information systems evidence in a wide range of criminal & civil cases. He is a co-author of the SABSA Blue Book & was the first recipient of the COSAC award.

Esther Schagen-van Luit is a Principal at the Information Security Forum, the not-for-profit member-driven cyber security research institute. There she is responsible for helping members make the most of their membership with ISF through their research, tools, events and services. Previously she served as the Chief Information Security Officer (CISO) of Deloitte Netherlands, Dutch Caribbean, Belgium and Deloitte Legal, after having had a career in cybersecurity strategy consulting. Esther is an active speaker on information security, diversity and talent development in the industry.