Emmanouil Magkos received his first degree in Computer Science from the University of Piraeus, Greece in 1997. In April 2003 he received a Ph.D. in Information Security and Cryptography from the University of Piraeus, Greece. His Ph.D. research was related to cryptographic protocols and techniques for securing electronic transactions between mistrusted parties that communicate over open networks such as the Internet. During his Ph.D. research he was involved as a researcher in a research project funded by the Greek General Secretariat for Research and Technology (97EL-83). From 2002 to 2007 he taught Computer Science at the Public Secondary Education. From 2003 to 2007 he also taught at the Archives and Library Sciences Department of the Ionian University, Corfu, Greece (Courses: Computer Networks and Electronic Commerce). Since 2007 he is affiliated with the Department of Informatics of the Ionian University, in Corfu, Greece, where he holds the position of Associate Professor in Cryptography and Computer Security. He has (co-) authored more than 80 papers in international journals, conferences and book chapters related to Information Security and Cryptography. He also acts as a reviewer for several international journals and conferences.