Publications
Journals
Christoforos
Ntantogian, Christos Xenakis, Ioannis Stavrakakis, " Reducing False Synchronizations in 3G-WLAN Interworking
Networks
, " IEEE
Transactions on Wireless Communications, Vol. 10, No. 11, pp: 3765–3773,
Nov. 2011.
Christos Xenakis, Christoforos Panos, Ioannis Stavrakakis
" A Comparative Evaluation of Intrusion
Detection Architectures for Mobile Ad Hoc Networks
," Computers & Security, Elsevier Science, Vol. 30, Issue 1, pp: 63-80, Jan. 2011.
Christoforos Ntantogian, Christos
Xenakis, Ioannis Stavrakakis " A Generic Mechanism for Efficient Authentication in B3G
Networks
," Computers & Security,
Elsevier Science, Vol. 29, Issue 4, pp: 460-475, Jun. 2010.
Christoforos Ntantogian, Christos
Xenakis, " One-pass EAP-AKA Authentication in 3G-WLAN Integrated
Networks
," Wireless Personal Communications,
Springer, Vol. 48, Issue 4, pp: 569-584, Mar. 2009.
Christos Xenakis, Christoforos Ntantogian, Ioannis Stavrakakis, " A network-assisted mobile VPN for securing users data in
UMTS
,"
Computer Communications, Elsevier Science, vol. 31, No. 14, pp: 3315-3327 Sept. 2008.
Christos Xenakis, " Security Measures and Weaknesses
of the GPRS Security Architecture
," International Journal
of Network Security, Vol.6, No.2, pp: 158-169, Mar. 2008.
Christos Xenakis, Christoforos Ntantogian, " Security Architectures for B3G Mobile
Networks
," Telecommunication Systems,
Springer, Vol.35, pp: 123-139, Aug. 2007.
Christos Xenakis, Nikos Laoutaris, Lazaros Merakos, Ioannis Stavrakakis, " A Generic Characterization
of the Overheads Imposed by IPsec and Associated
Cryptographic Algorithms
," Computer Networks, Elsevier Science, Vol. 50,
No. 17, Dec. 2006, pp: 3225-3241.
Christos Xenakis, " Malicious actions against the GPRS technology ," Computer
Virology, Springer, Vol. 2, No. 2, pp: 121-133, Nov. 2006.
Christos Xenakis, Lazaros Merakos, " Alternative Schemes for Dynamic Secure VPN Deployment over UMTS ,"
Wireless Personal Communications, Springer, Vol. 36, pp: 163-194, No. 2, Jan. 2006.
Christos Xenakis, Lazaros Merakos, " IPsec-based End-to-end VPN Deployment over UMTS ,"
Computer Communications, Elsevier Science, vol. 27, No. 17, pp: 1693-1708, Nov.
2004. (8th in the list of most requested articles of the Journal)
Christos Xenakis, Lazaros Merakos, " Security in third Generation Mobile Networks ,"
Computer Communications, Elsevier Science, Vol. 27, No. 7, pp: 638-650, May
2004. (Most requested article of the Journal)
Christos Xenakis, Lazaros Merakos, " On Demand Network-wide VPN Deployment in GPRS ," IEEE
Network, Vol. 16, No. 6, pp: 28-37, Nov. - Dec.
2002. Press & media coverage
Conference proceedings
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 Panos, Christos Xenakis, Ioannis Stavrakakis, "An Evaluation of Anomaly-based Intrusion Detection Engines
for Mobile Ad Hoc Networks
," In Proc. 8th International Conference on Trust, Privacy
& Security in Digital Business (TrustBus 2011), Toulouse France, Aug. 2011
Foivos Demertzis, Christos Xenakis, "SOMA: Self-Organized Mesh Authentication
," In Proc. 7th
European Workshop on Public Key Services, Applications and Infrastructures
(EuroPKI 2010), Athens, Greece, Sept. 2010.
Nikos Vavoulas,
Christos Xenakis, "A Quantitative Risk Analysis Approach for Deliberate Threats
," In Proc. 5th International
Workshop on Critical Information Infrastructures Security, (CRITIS
2010), Athens, Greece, Sept. 2010.
Christoforos Panos,
Christos Xenakis, Ioannis
Stavrakakis, "A Novel Intrusion Detection System for MANETs
," In Proc. International Conference on Security
and Cryptography (SECRYPT 2010), Athens, Greece, July 2010.
Christos Xenakis, Danae Apostolopoulou,
Angeliki Panou, Ioannis Stavrakakis "A Qualitative Risk Analysis for the GPRS
Technology ," In Proc. IEEE/IFIP International
Conference on Embedded and Ubiquitous Computing (EUC-08), Shanghai,
China, December 2008.
Dimitris Ztoupis, Kyriakos Zarifis, Christos Xenakis, Ioannis Stavrakakis " Towards a
Security Framework for an Established Autonomous
Network, " In Proc. IEEE International Symposium on Wireless Pervasive
Computing, Santorini, Greece, May 2008
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.
Kyriakos Zarifis, Dimitris Ztoupis, Christos Xenakis, "Security
Issues in an Established Autonomous Wireless Network,"
PhD poster presented in the 6th Annual Mediterranean Ad Hoc
Networking Workshop (Med-Hoc-Net 2007), Corfu, Greece, June 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.
Christos Xenakis, Lazaros Merakos, "Vulnerabilities
and Possible Attacks against the GPRS Backbone Network,"
In Proc. International Workshop on Critical
Information Infrastructures Security, (CRITIS 06), LNCS 4347, Springer,
2006, pp. 262 - 272.
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.
Christos Xenakis, Nikos Loukas, Lazaros Merakos, "A Secure Mobile VPN Scheme for UMTS," In Proc.
European Wireless 2006, Athens, Greece, April 2006
Dimitris Karteris, Christos Xenakis, Lazaros Merakos, "Context-Aware Service Provisioning in All-IP
Networks,"
In Proc. 13th IST
Mobile & Wireless Communications, Lyon, France, June 2004.
Christos Xenakis, Lazaros Merakos, " Enhancing End-users Privacy in
3G Networks,
" In Proc. 10th WWRF Meeting, New York,
NY, USA, October 2003.
Christos Xenakis, Lazaros Merakos, "Dynamic Network-based Secure VPN Deployment in
GPRS," In Proc. IEEE PIMRC 2002, Lisboa, Portugal, pp. 1260-1266, Septeber 2002.
Christos Xenakis, Lazaros Merakos, "Security Architecture Standardization and
Services in UMTS," In Proc. Mobile Venue 2002, Athens,
Greece, pp. 585-592, May 2002.
Christos Xenakis, Evangelos Gazis, Lazaros Merakos, "Secure VPN Deployment in GPRS Mobile Network," In
Proc. European Wireless 2002, Florence, Italy, pp. 293-300, February 2002.
Nikos Loukas, Christos Xenakis, Lazaros Merakos, Iakovos Venieris "Access
Signaling and IN-based Mobility Management
for Wireless ATM Systems,"
In Proc. IEEE ICUPC 1998, Florence, Italy, October
1998.
Nikos Loukas, Christos Xenakis, Lazaros Merakos, Iakovos Venieris "Signaling and Mobility Control for Wireless Intelligent
ATM CPNs," In Proc. IEEE PIMRC 1998, Boston,
USA, September 1998.
Nikos Loukas, Christos Xenakis, Lazaros Merakos "Transport Performance Evaluation of an
ATM-based UMTS Access Network," In Proc. IEEE ICUPC 1997, San Diego,
USA, October 1997. Editor in conference proceedings
Book chapters
Invited talks
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