Professor Christos Xenakis received his B.Sc degree in computer science in 1993 and his M.Sc degree in telecommunication and computer networks in 1996, both from the Department of Informatics and Telecommunications, University of Athens, Greece. In 2004, he received his PhD from the University of Athens (Department of Informatics and Telecommunications). From 1998 to 2001, he was with a Greek telecoms system development firm, where he was involved in the design and development of advanced telecommunications subsystems. From 1996 to 2007, he was a member of the Communication Networks Laboratory of the University of Athens. Since 2007, he has been a faculty member of the Department of Digital Systems of the University of Piraeus, Greece, where he is an Associate Professor and member of the System Security Laboratory. He has participated in numerous projects realized in the context of EU Programs (ACTS, ESPRIT, IST, AAL, DGHOME, Marie Curie, Horizon2020) as well as National Programs (Greek). He is the project manager of the ReCRED project funded by Horizon2020 and his research interests are in the field of systems, networks, and applications security.