Anastasios Stasinopoulos, Christoforos Ntantogian, Christos Xenakis, “The weakest link on the network: exploiting ADSL routers to perform cyber-attacks”, 13th IEEE International Symposium on Signal Processing and Information Technology, (ISSPIT 2013), Athens, Greece, December 2013
Haralampos Petrou, Christoforos Ntantogian, Christos Xenakis, “A better time approximation scheme for e-passports”, In Proc. of 10th International Conference on Trust, Privacy & Security in Digital Business (TrustBus 2013), Prague, Czech Republic, August 2013.
Dimitris Apostolopoulos, Giannis Marinakis, Christoforos Ntantogian, Christos Xenakis, “Discovering authentication credentials in volatile memory of Android mobile devices”, In Proc. 12th IFIP Conference on e-Business, e-Services, e-Society (I3E 2013), Athens, Greece, April 2013.
Christoforos Ntantogian, Dimitris Gkikakis, Christos Xenakis, “PRIPAY: A Privacy Preserving Architecture for Secure Micropayments”, ICSNC 2012, Lisbon, Portugal, Nov 2012
Christoforos Ntantogian, Christos Xenakis, Ioannis Stavrakakis, “Analysis and Modeling of False Synchronizations in 3G-WLAN Integrated Networks”, International Information Security and Privacy Conference (IFIP SEC2012), Heraklion, Crete, Greece, June 2012
Eleni Darra, Christoforos Ntantogian, Christos Xenakis, Sokratis Katsikas, “A Mobility and Energy-aware Hierarchical Intrusion Detection System for Mobile ad hoc Networks,” In Proc. 8th International Conference on Trust, Privacy & Security in Digital Business (TrustBus 2011), Toulouse France, August 2011
Christoforos Ntantogian, Christos Xenakis, Ioannis Stavrakakis, “Reducing the User Authentication Cost in Next Generation Networks “, In Proc. 5th IEEE/IFIP Annual Conference on Wireless On demand Network Systems and Services (WONS 2008), Garmisch-Partenkirchen, Germany, Jan 2008.
Christoforos Ntantogian, Christos Xenakis, Ioannis Stavrakakis, “Efficient Authentication for Users Autonomy in Next Generation All-IP Networks”, In Proc. 2nd International Conference on Bio-Inspired Models of Network, Information, and Computing Systems (BIONETICS 2007), Budapest, Hungary, Dec 2007.
Christoforos Ntantogian, Christos Xenakis, “Reducing Authentication Traffic in 3G-WLAN Integrated Networks”, In Proc. 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, (PIMRC 2007), Athens, Greece, Sept 2007.
Christoforos Ntantogian, Christos Xenakis, “A Security Protocol for Mutual Authentication and Mobile VPN Deployment in B3G Networks”, In Proc. 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, (PIMRC 2007), Athens, Greece, Sept 2007.
Christoforos Ntantogian, Christos Xenakis, “A Security Binding for Efficient Authentication in 3G-WLAN Heterogeneous Networks”, PhD poster presented in the 6th Annual Mediterranean Ad Hoc Networking Workshop (Med-Hoc-Net 2007), Corfu, Greece, June 2007.
Christoforos Ntantogian, Christos Xenakis, Lazaros Merakos, “An enhanced EAP-SIM authentication scheme for securing WLAN,” Proc. 15th IST Mobile & Wireless Communications, Mykonos, Greece, June 2006.