2004
Stefanos Gritzalis, Georgios Kambourakis, Aggelos Rouskas, Inter/Intra Core Network Security with PKI for 3G-and-Beyond Systems, 3rd IFIP NETWORKING TC-6 International Conference on Networking, N. Mitrou et al., YES, 13-24, Μάιος, 2004, Athens, Greece, Springer, LNCS 3042   
Stefanos Gritzalis, Petros Belsis, C. Skourlas, I. Drakopoulos, Implementing Knowledge Management techniques for security purposes, ICEIS 2004 6th International Conference on Enterprise Information Systems, S. Hammoudi, J. Cordeiro, YES, 535-540, Απρίλιος, 2004, Porto, Portugal, ICEIS   
2003
Stefanos Gritzalis, J. Argyrakis, C. Kioulafas, Privacy Enhancing Technologies: A review, EGOV03 2nd International Conference on Electronic Government, R. Traunmuller , YES, 282-287, Σεπτέμβριος, 2003, Prague, Czech Republic, LNCS 2739, Springer   
Stefanos Gritzalis, Constantinos Lambrinoudakis, S. Dritsas, Lazaros Gymnopoulos, Grid Security Review, 2nd International Workshop on Mathematical Methods, Models, and Architectures for Computer Network Security (MMM-ACNS 2003), V. Gorodetsky, L. Popyack, and V. Skormin, YES, 100-111, Σεπτέμβριος, 2003, St. Petersburg, Russia, Springer-Verlag   
Stefanos Gritzalis, Constantinos Lambrinoudakis, G. Angelis, Security Policy Configuration Issues in GRID Computing Environments, 22nd SAFECOMP International Conference on Computer Safety, Reliability and Security, St. Anderson, M. Felici, Bev. Littlewood, YES, 331-341, Σεπτέμβριος, 2003, Edinburgh, UK, Lecture Notes in Computer Science LNCS, Springer Verlag   
Stefanos Gritzalis, Theodoros Balopoulos, Towards a Logic of Privacy-Preserving Selective Disclosure Credential Protocols, 14th International Workshop on Database and Expert Systems Applications (Trust and Privacy in Digital Business), Javier Lopez, Gunther Pernul, YES, 396-401, Σεπτέμβριος, 2003, Prague, Czech Republic, IEEE Computer Society   
Stefanos Gritzalis, Georgios Kambourakis, Aggelos Rouskas, Introducing PKI to enhance Security in Future Mobile Networks, IFIPSEC’2003 18th IFIP International Information Security Conference, D. Gritzalis P. Samarati, S. K. Katsikas, S. De Capitani di Vimercati, YES, 109-120, Μάιος, 2003, Athens, Greece, Kluwer Academic Publishers   
2002
Stefanos Gritzalis, S. Ikonomopoulos, Tool support for design patterns in the context of a reuse process, 6th SEA IASTED International Conference on Software Engineering and Applications, M. H. Hamza , YES, 175-181, Μάιος, 2002, Cambridge, M.I.T. Boston, USA, IASTED Press   
Stefanos Gritzalis, Georgios Kambourakis, Aggelos Rouskas, Using SSL/TLS in Authentication and Key Agreement Procedures of Future Mobile Networks, 4th International IEEE Workshop on Mobile and Wireless Communications Networks (MWCN , 152-156, Σεπτέμβριος, 2002, Stockholm, Sweden, IEEE CPS   
Stefanos Gritzalis, Constantinos Lambrinoudakis, Security Requirements of e-Government Services: An Organisational Framework, PDPTA, H. R. Arabnia , YES, 127-131, Ιούνιος, 2002, Las Vegas, USA, CSREA Press