Business Address:	Network Management and Optimal Design Lab, Informatics Division, Department of Electrical and Computer Engineering, National Technical University of Athens, Zografou GR 157 80, Athens, Greece.
Contact Phone:	+30-210-772.1448 (lab)
Fax:	+30-210-772.1452 (lab)
Email:
PGP Key:	Available here
PGP Fingerprint:	A31F CECC 0880 ECB4 6799 7CE1 AE50 06AC 7F2E EDD4 (or ask me)
URL:	http://www.netmode.ntua.gr/~gkoutep

• PhD., Division of Communication, Electronic and Information Engineering, Department of Electrical and Computer Engineering, National Technical University of Athens. Completed in May 2006.
  Thesis title: Mitigation of DDoS Attacks via a Cooperative Multi-Domain Infrastructure (Thesis Abstract).
• BSc in Electrical and Computer Engineering (5 year course). Department of Electrical and Computer Engineering, National Technical University of Athens, graduation in 1996.Department of Electrical and Computer Engineering, National Technical University of Athens. Graduation in 1996.
• Summer Session Program of the International Space University, Strasbourg, France, 2003.

• Expertise in computer network security. Professional experience since 1998 in the design and development of security solutions for computer networks.
• Experience in designing optimal network security architectures and policies. Hands-on experience in a number of demanding, mission critical security projects; fulfilment of BS7799 Security Standard requirements; have authored Security Policies, Risk Analysis Reports and Business Continuity Plans.
• Specialization and research work in Intrusion Detection Systems. Current research aims to build a cooperative IDS framework for cross-domain control and containment of Distributed Denial of Service (DDoS) Attacks.
• Has been one of the organizers of the first Greek Computer Emergency Response Team, GRNET-CERT.
• Good understanding of Digital Certificates' operation and deployment. Participated in the design of the Greek Public Sector Digital Certificates solution.
• Design, implementation, management and optimization of computer networks; good understanding of relevant technologies, professional involvement with the BGP routing protocol, Cisco router configuration, and extensive experience on the use of SNMP for network management. Experience on the operation and configuration of Firewalls
• Through ISU coursework a good understanding of Satellite Communications and Navigation and especially the EGNOS system. Worked on a basic cost/benefit analysis of the EGNOS system ground stations. Having a continuous interest in Russian space systems, also participated in the (ESA contracted) Space Technologies Survey Team Project as country coordinator for Russia.
• System administrator for server systems on multiple architectures (Sun Solaris, Windows NT/2K, Linux, FreeBSD, HP-UX) with teaching experience on the subject.
• Programming in Java, C, and Perl,. Also good knowledge of HTML, CCS, Pascal, Office Applications suite, and the Oracle 6 RDBMS.
• Foreign Languages: Greek (native), English (excellent), Russian (basic), German (elementary).

June 1996 - Today: June 1996 - Today: Senior Researcher at the Network Management and Optimal Design laboratory (NETMODE) of the National Technical University of Athens. Through this partnership a number of projects were conducted on the topics of Network Analysis, Design, Management, and Security. Some of them included:

• Participation in the Joint Research Activity 2 (JRA2), of the GEANT2 pan-European research and education network. The Activity aims to provide the capability to take a more proactive approach to security services and to enable stronger co-operation on Security (Dec. 2004-Today).
• Participation in the European 6Net IPv6 Project, on the Work Packages for Security and Network Management (2002-2004).
• Development of a Security Policy Plan aiming at SMEs and the general public for the Hellenic Ministry of Transportation (May-Oct. 2003)
• Study on the implementation of Digital Certificates and a Public Key Infrastructure for the Greek Public Sector (currently under development with project "Syzeyxis") (Sep. 2002).
• Network design and dimensioning for the interconnection of the agencies of the Hellenic Ministry of Public Health (Feb.-May 2002).
• Evaluation of the Call for Proposals for the provision of Networking Services for the Hellenic Ministry of Transportation (Feb.2002).
• Study and design for the data network of the Greek Public Health School (Aug-Oct. 2001).
• Participation in various pilot projects, under the coordination of the Ministry of Education, for offering advanced networking services to the Greek universities (GUNet). Involvement in the sections dealing with security, multicasting and IPv6. (Apr. 1998-Apr. 1999).

Sep. 2003 - Today: Technical Advisor for Databank, the Internet Services Unit of the Technical Chamber of Greece, specializing in the development of new networking services. Developed and implemented Databank's ADSL service.

Dec. 2004 - May 2006: Subcontracted consultant for the Qualco S.A.: Design of the Security Policy, Risk Analysis, and Business Continuation Plan for a big private sector corporation specializing in health services; consulting services for the acquisition of the BS7799 security certification.

May - Jun. 2003: Consulting services for the Qualco S.A. Worked on the design and security policy of the Piraeus Port Authority enterprise network.

Jun. 2000 - Mar. 2001: Principal network and systems administrator for the Hellenic Army's Internet section, while serving on active duty. Ensured the constant, secure and smooth operation of all Internet services. Made major contributions to the node's security design and operations. Reviewed the introduction of various new services and improvements to existing ones.

Jan. 1998 - Sep. 1999: Consultant for the ISP company of the Technical Chamber of Greece. Set up and fine tuned network routing after extensive monitoring and statistics gathering. Through the review of operations:

• An optimal routing policy was configured.
• Upgrade suggestions were made that increased the Quality of Service, available throughput and overall user satisfaction.
• There were many improvements in the security design.
• A more efficient proxy server was installed and configured to offer transparent access

Apr. 1998 - Apr. 1999: Participation in various pilot projects, under the coordination of the Ministry of Education, for offering advanced networking services for the Greek universities (GUNet). Involvement in the parts of security, multicasting and IPv6

May 1996 - September 1998: Network Operations Center of the National Technical University of Athens. Member of the data network team. The team is responsible for supporting the campus' 6000 user - 1000 host net and the Greek National Research Network (GR-Net) that connects all of the country's educational institutions. Personal responsibilities included:

• Dealing with security issues and incidents, as a prime member of GRNET-CERT.
• Participation in the management of the university's central information servers (Web, Proxy, FTP and News etc.).
• Implementing new experimental services like live TV and Radio network broadcasts.
• Helpdesk for the university's users.

Aug. 1995 - Feb. 1996: Unix System Administrator in the Geophysics computer lab in the department of Geology of the Athens National University. Responsible for the smooth and effective operation of seismic data workstations, LAN configuration and Internet connectivity.

Mar. - May 1995: Three month part-time employment in Hewlett Packard Hellas in the customer support department (RCO).

Jul. - Aug. 1994: Cooperation with the Institute of Computer Science and Telecommunications of the National Research Center for Physics "Demokritos" on the nationalization of the Hewlett Packard VUE graphical user interface for workstations.

Oct. 1993 - Mar. 1994: Six month technical training by student employment in Oracle Hellas S.A. Work in the nationalization of the company's software (department of Native Language Support).

As a PhD candidate, participation in the following courses of the Dept. of Electrical and Computer Engineering of the NTUA under professor B. Maglaris:

1996 - Today: Teaching Assistant and Lab Supervisor in the course "Network Management and Intelligent Networks", last semester, Department of Electrical and Computer Engineering, National Technical Univ. of Athens. Undertakes the lectures on security.

Apr. 1999: Lectures for the post-graduate course "EDI Value Added Networks and Electronic Commerce", Department of Electrical and Computer Engineering, National Technical Univ. of Athens, on cryptography and digital certificates/secure transactions.

Additionally, participation in the following teaching activities:

June 2001: Instructor in a two week training course for network technicians of the OTENet ISP.

Jun. 1997 - Today: Lecturer in seminars at the Greek National Centre for Public Administration on the Network Security and the Installation, Management and Secure Operation of Internet Information Services.

Jul. 1999: Instructor on computer security for the Center for continued Education of the National Technical Univ. of Athens.

Intrusion Detection Systems (IDS) and their interaction with network management, general issues in computer security and their theoretical extensions. Design and management of computer networks. Internet Information Services.

1. G. Koutepas, A. Douitsis, D. Philippides, and V. Maglaris, "An Approach for the Administration and Security of IPv6 Transition Mechanisms: An SNMP MIB for 6to4", IPv6 Today - Technology and Deployment (IPv6TD) Conference, Bucharest, Romania, August 2006. Selected in the conference's "Best Papers".
2. G. Koutepas, F. Stamatelopoulos, and B. Maglaris, "Distributed Management Architecture for Cooperative Detection and Reaction to DDoS Attacks", Special Issue on Security and Management, Journal of Network and Systems Management, Vol. 12, No. 1, March 2004. The abstract is available here.
3. G. Koutepas, F. Stamatelopoulos, V. Hatziyannakis, and B. Maglaris, "Design and Operational Characteristics of a Distributed Cooperative Infrastructure against DDoS Attacks", ECIW 2003, 2nd European Conference on Information Warfare and Security, University of Reading, UK, July 2003. The presentation is available in .pps format.
4. G. Koutepas, F. Stamatelopoulos, V. Hatzigiannakis, and B. Maglaris, "An Adaptable Inter-Domain Infrastructure Against DoS Attacks", International Conference on Advances in Infrastructure for e-Business, e-Education, e-Science, e-Medicine, and Mobile Technologies on the Internet, L'Aquila, Italy, January 2003. The presentation is available in .pps and .pdf format.
5. G. Koutepas, B. Maglaris, "Detection and Reaction to Denial of Service Attacks", Cyprus Security Society "2nd Conference on Information Security: From Theory to Practice", Nikosia, Cyprus, October 2002. The presentation is available in .pps format.
6. G. Koutepas, F. Stamatelopoulos, and B. Maglaris, "Efficiency and Performance Issues in Distributed Intrusion Detection Systems", Applied Telecommunication Symposium 2002 (ATS 02), San Diego, CA, USA, April 2002.
7. F. Stamatelopoulos, G. Koutepas, P. Astithas, and B. Maglaris, "End-to-End, Multiple-Domain Bandwidth Management", poster, HP OpenView University Association (HPOVUA) Conference '01, Berlin, Germany, June 2001.
8. P. Astithas, G. Koutepas, A. Moralis, and B. Maglaris, "SIDS - A System for Enterprise-wide Intrusion Detection", International System Security Engineering Association Conference '01, Orlando, FL, USA, February 2001.
9. P. Astithas, G. Koutepas and B. Maglaris, "Integrating Intrusion Detection and Network Management", HPOVUA Conference '99, Bologna, Italy, June 1999.
10. M. Grammatikou, V. Karounou, G. Koutepas, and B. Maglaris, "A System for Information Management and Electronic Transactions in First Stage Health Care" Samos, Greece, September 1998 (in Greek).
11. F. Stamatelopoulos, G. Koutepas, and B. Maglaris, "System Security Management via SNMP", HPOVUA '97, Madrid, Spain, April 1997.

Space related activities:

• Feb 2003: One week seminar at Kiruna, Sweden, on Space Weather and related atmospheric phenomena; methods and tools for measurements in the upper atmosphere.
• May 2002: Participation in a 20-day seminar at Ecole Centrale, Paris and other locations in France on the engine Vulcain-2 of the Ariane-5 rocket.
• Since 1994: Collection of technical information on Russian / former S.U. space systems. Many visits to Russian space locations.

Other interests:
Sailing, Classical music, Modern literature, Russian language and culture, Long distance running.