Sokratis K. Katsikas was born in Athens, Greece, in 1960. He received the Diploma in Electrical Engineering from the University of Patras, Patras, Greece in 1982, the Master of Science in Electrical & Computer Engineering degree from the University of Massachusetts at Amherst, Amherst, USA, in 1984 and the Ph.D. in Computer Engineering & Informatics from the University of Patras, Patras, Greece in 1987. In 2019 he has awarded a Doctorate Honoris Causa by the Dept. of Production and Management Engineering of the Democritus University of Thrace, Greece. He is the Director of the Norwegian Center for Cybersecurity in Critical Sectors and Professor with the Department of Information Security and Communication Technology, Norwegian University of Science and Technology, Norway. His current research interests lie in the area of information and communication systems security. His research activity over the past 35 years has resulted in the publication of 44 books; 38 book chapters; 99 journal publications (of which 9 invited); and 131 publications in conference proceedings (of which 30 invited). He has participated in more than 60 funded national and international R&D projects. He is serving on the editorial board of several scientific journals, and has served on/chaired the technical programme committee of more than 750 international scientific conferences. He chairs the Steering Committee of the ESORICS Conferences.