Sotiris Ioannidis Research Interests Education Employment Summary

Sotiris Ioannidis
Institute of Computer Science Department
Foundation for Research and Technology
N. Plastira 100
Vassilika Vouton, GR-700 13 Heraklion, Crete, Greece
sotiris@ics.forth.gr www.ics.forth.gr/~sotiris
Research Interests
Network and Host Security, Privacy, Security Policy, Distributed Systems.
Education
University of Pennsylvania, USA
Ph.D. in Computer and Information Science, February 2005
Thesis: “ Security Policy Consistency and Distributed Evaluation in Heterogeneous Environments”
Advisor: Jonathan M. Smith
Committee: Matt A. Blaze, Steve M. Bellovin, Honghui Lu, and Michael B. Greenwald
University of Rochester, USA
M.Sc. in Computer Science, June 1998
Advisor: Sandhya Dwarkadas
University of Crete, Greece
M.Sc. in Computer Science, June 1996
Advisors: Evangelos Markatos, Christos Nikolaou
B.Sc. in Mathematics, June 1994
Employment Summary
Distributed Computing Systems Lab
Institute of Computer Science, FORTH, Greece
Associate Researcher.
Computer Science Department, University of Crete, Greece
Adjunct Professor.
October 2007 – Present
October 2007 – Present
Stevens Institute of Technology, USA February 2005 – June 2007
Research Scholar in the Computer Science Department
University of Pennsylvania, USA January 1999 – January 2005
Research assistant in the Distributed Systems Laboratory
AT&T Labs - Research, Network Services Research Center, USA May 2001 – September 2001
Internship
AT&T Labs - Research, Network Services Research Center, USA May 2000 – September 2000
Internship

AT&T Labs - Research, Network Services Research Center, USA May 1999 – September 1999
Internship
IBM Poughkeepsie, Hardware Development Group, USA July 1998 – August 1998
Internship
University of Rochester, USA September 1996 – December 1998
Research assistant in the Systems Group
Institute of Computer Science, FORTH, Greece June 1994 – August 1996
Research assistant with the Distributed Systems Group
Computer Center, University of Crete, Greece September 1991 – May 1994
Systems Operator and Administrator
Courses Created/Taught
Instructor, University of Crete, “CSE4881: Secure Systems,” Summer 2010 (exchange students course)
Instructor, University of Crete, “CS455: Cybersecurity Lab,” Spring 2010
Instructor, University of Crete, “CS557: Secure Systems,” Fall 2009
Instructor, University of Crete, “CSE4881: Secure Systems,” Summer 2009 (exchange students course)
Instructor, University of Crete, “CS455: Cybersecurity Lab,” Spring 2008
Instructor, University of Crete, “CS455: Cybersecurity Lab,” Spring 2009
Instructor, University of Crete, “CS557: Secure Systems,” Fall 2008
Instructor, University of Crete, “CS455: Cybersecurity Lab,” Spring 2008
Instructor, University of Crete, “CS557: Secure Systems,” Fall 2007
Instructor, Stevens Institute of Technology, “CS465/765: Secure Systems,” Spring 2007
Instructor, Stevens Institute of Technology, “CS465/765: Secure Systems,” Spring 2006
Honors and Awards
- Marie Curie Fellow, 2008-2013
- USENIX Travel Grant, 2004
- Graduate Research Fellowship, CIS Department, University of Pennsylvania, 1999-2005
- Graduate Research Scholarship, CS Department, University of Rochester, 1996-1998
- Graduate Research Fellowship, ICS-FORTH, Greece, 1994-1996
- Erasmus Fellowship, 1993
- Undergraduate Scholarship, State Scholarships Foundation, Greece, 1990-1992
Editor
- Proceedings of the 3 rd European Conference on Computer Network Defense. Lecture Notes in Electrical
Engineering, December 2008.
Grants – Principal Investigator
●
2010, TRACER: Vulnerability Detection and Reinforcement of Security in Legacy Applications

and Systems, funded by the General Secretariat for Research and Technology, Total requested:
EUR 640,000, FORTH requested: EUR 120,000 (in negotiations)
● 2008, Study on: Resilience Features of IPv6, DNSSEC and MPLS and Deployment Scenarios,
funded by ENISA, Total: EUR 4,500
● 2008-2013, PASS: Privacy Architectures for System Services, funded by Marie Curie
International Reintegration Grants FP7-PEOPLE-2007-4-3-IRG, FORTH: EUR 100,000
● 2008-2010, FORWARD: Managing Emerging Threats in ICT Infrastructure, funded by FP7/ICT/
CA, Total: EUR 890,000 FORTH: EUR 143,950
● 2006-2008, Kanon: Security Policies for Collaborative Heterogeneous Distributed Systems,
funded by the General Secretariat for Research and Technology, ENTER 2005, EUR 70,200
Grants – Contributor
● 2010-2014, SysSec: A European Network of Excellence in Managing Threats and Vulnerabilities
in the Future Internet: Europe for the World, funded by the European Commission, Total: EUR
2,946,029 FORTH: EUR 603,000 (Sotiris Ioannidis Workpackage Leader, Evangelos Markatos
PI)
● 2010-2012, i-Code: Real-time Malicious Code Identification, funded by the European
Commission, Total: EUR 753,895 FORTH: EUR 209,000 (Sotiris Ioannidis Workpackage Leader,
Evangelos Markatos PI)
● 2006, Sun Equipment Grant, $24,658, (with Susanne Wetzel)
Publications
Thesis
T1. Sotiris Ioannidis, “ Security Policy Consistency and Distributed Evaluation in Heterogeneous

Systems”, University of Pennsylvania, 2005.
Book Chapters
B1. Jonathan M. Smith, Michael B. Greenwald, Sotiris Ioannidis, Angelos D. Keromytis, Ben Laurie,
Douglas Maughan, Dale Rahn, Jason L. Wright, “ Experiences Enhancing Open Source Security in the
POSSE Project”, in Free/Open Source Software Development, ed. Stefan Koch, IGP, December 2003.
B2. Sotiris Ioannidis, Athanasios E. Papathanasiou, Grigorios I. Magklis, Evangelos P. Markatos,
Dionisios N. Pnevmatikatos, and Julia Sevaslidou, “ On using Reliable Network RAM in Networks of
Workstations”, in Cluster Computing, pp. 109-121, Chapter 10, 2001, ISBN 1-59033-113-3, Nova Science
Publishers, USA, 2001.
Journal Publications
J1. Andreas Makridakis, Elias Athanasopoulos, Spiros Antonatos, Demetres Antoniades, Sotiris Ioannidis,
Evangelos P. Markatos, “Understanding the Behavior of Malicious Applications in Social Networks”,
in IEEE Network Special Issue on Online Social Networks, September/October 2010.
J2. Stefan Miltchev, Jonathan M. Smith, Vassilis Prevelakis, Angelos D. Keromytis, Sotiris
Ioannidis, “Decentralized Access Control in Distributed File Systems”, in ACM Computing Surveys, vol.
40, no. 3, September 2008.
J3. K. G. Anagnostakis, M. B. Greenwald, S. Ioannidis, Angelos Keromytis, “COVERAGE: Detecting
and Reacting to Worm Epidemics Using Cooperation and Validation”, in Springer International
Journal of Information Security (IJIS), Special Issue, 2007.
J4. Sotiris Ioannidis, Steven M. Bellovin, John Ioannidis, Angelos D. Keromytis, Kostas Anagnostakis,
Jonathan M. Smith, “Virtual Private Services: Coordinated Policy Enforcement for Distributed
Applications”, in International Journal of Network Security, Vol. 4, No. 1, 2007, pp. 69-80, January 2007.
J5. K. G. Anagnostakis, M. B. Greenwald, S. Ioannidis, D. Li, J. M. Smith, “Flexible Network
Monitoring with FLAME”, in Computer Networks Journal (Special Issue on Active Networks - Elsevier
Science), Vol. 50, No. 14, pp. 2548-2563, October 2006.
J6. Sotiris Ioannidis, Umit Rencuzogullari, Robert Stets, Sandhya Dwarkadas, “ CRAUL: Compiler
and Run-Time Integration for Adaptation Under Load”, in Journal of Scientific Programming, pp.
261-273, Spring1999.
J7. Dionisios Pnevmatikatos, Evangelos P. Markatos, Gregory Maglis, Sotiris Ioannidis, “On using
Network RAM as a non-volatile Buffer”, in Cluster Computing, Special Issue on I/O in Shared-Storage
Clusters, 2(4), pp. 295-303, Baltzer Science Publishers, 1999.
J8. Sotiris Ioannidis, Athanasios E. Papathanasiou, Grigorios I. Magklis, Evangelos P. Markatos, Dionisios
N. Pnevmatikatos, Julia Sevaslidou, “On using Reliable Network RAM in Networks of Workstations”,
in Special Issue on High Performance Computing on Clusters Parallel and Distributed Computing
Practices (PDCP), Vol. 2, No. 2, Nova Science Publishers, USA, February 1999.
J9. N. Hardavellas, G. C. Hunt, S. Ioannidis, R. Stets, S. Dwarkadas, L. Kontothanassis, M. L. Scott,
“Efficient Use of Memory Mapped Interfaces for Shared Memory Computing”, in IEEE Technical
Committee on Computer Architecture (TCCA) Newsletter Special Issue, pp. 28-33, March 1997.
Conference Publications
C1. Alexandros Kapravelos, Iasonas Polakis, Elias Athanasopoulos, Sotiris Ioannidis, Evangelos P.

Markatos, “D(e|i)aling with VoIP: Robust Prevention of DIAL Attacks”, in Proceedings of the 15th
European Symposium on Research in Computer Security (ESORICS), Athens, Greece, September 2010.
C2. Giorgos Vasiliadis, Sotiris Ioannidis, “GrAVity: A Massively Parallel Antivirus Engine”, in
Proceedings of the 13th International Symposium on Recent Advances in Intrusion Detection (RAID),
Ottawa, Ontario, Canada, September 2010.
C3. Periklis Akritidis, W. Y. Chin, Evangelos Markatos, Sotiris Ioannidis, Spiros Antonatos, Kostas
Anagnostakis, “HoneyLab: Large-scale Honeypot Deployment and Resource Sharing”, in Proceedings
of the 3rd International Conference on Network and Systems Security (NSS), Gold Coast, Australia,
October 2009.
C4. Eleni Gessiou, Alexandros Lambrinidis, Sotiris Ioannidis, “A Greek (Privacy) Tragedy: The
Introduction of Social Security Numbers in Greece”, in Proceedings of the 8th ACM CCS Workshop on
Privacy in the Electronic Society (WPES), Chicago, Illinois, USA, November 2009.
C5. Giorgos Vasiliadis, Spiros Antonatos, Michalis Polychronakis, Evangelos P. Markatos, Sotiris
Ioannidis, “Regular Expression Matching on Graphics Hardware for Intrusion Detection”, in
Proceedings of the 12th International Symposium on Recent Advances in Intrusion Detection (RAID),
Saint-Malo, France, September 2009.
C6. Lazaros Koromilas, George Chinis, Irini Fundulaki, Sotiris Ioannidis, “Controlling Access to XML
Documents over XML Native and Relational Databases”, in Proceedings of the 6th VLDB Workshop on
Secure Data Management (SDM), Lyon, France, August 2009.
C7. Giorgos Vasiliadis, Spiros Antonatos, Michalis Polychronakis, Evangelos P. Markatos, Sotiris
Ioannidis, “Gnort: High Performance Network Intrusion Detection Using Graphics Processors”,
in Proceedings of the 11th International Symposium on Recent Advances in Intrusion Detection (RAID),
Boston, MA, USA, September 2008.
C8. E. Athanasopoulos, A. Makridakis, S. Antonatos, D. Antoniades, S. Ioannidis, K. G. Anagnostakis,
E. P. Markatos, “Antisocial Networks: Turning a Social Network into a Botnet”, in Proceedings of the
11th Infomation Security Conference (ISC), Taipei, Taiwan, September 2008.
C9. Vasilis Pappas, Elias Athanasopoulos, Sotiris Ioannidis, Evangelos P. Markatos, “Compromising
Anonymity Using Packet Spinning”, in Proceedings of the 11th Information Security Conference (ISC),
Taipei, Taiwan, September 2008.
C10. Herbert Bos, Sotiris Ioannidis, Erland Jonsson, Engin Kirda, Chris Kruegel, “Future Threats to
Future Trust”, in Proceedings of the Future of Trust in Computing Conference, Berlin, Germany, July
2008.
C11. S. Antonatos, M. Athanatos, G. Kondaxis, J. Velegrakis, N. Hatzibodozis, S. Ioannidis, E. P.
Markatos, “Honey@home: A New Approach to Large-Scale Threat Monitoring”, in Proceedings of the
1st WOMBAT Workshop, Amsterdam, The Netherlands, April 2008.
C12. Peter I. Politopoulos, Evangelos P. Markatos, Sotiris Ioannidis, “Evaluation of Compression of
Remote Network Monitoring Data Streams”, in Proceedings of the 6th IEEE Workshop on End-to-End
Monitoring Techniques and Services (E2EMon), Salvador, Bahia, Brazil, April 2008.
C13. Nikos Nikiforakis, Demetres Antoniades, Evangelos P. Markatos, Sotiris Ioannidis, Arne Olesbo,
“When AppMon met Stager”, in Proceedings of the 6th IEEE Workshop on End-to-End Monitoring
Techniques and Services (E2EMon) (short paper), Salvador, Bahia, Brazil, April 2008.
C14. Stelios Sidiroglou, Sotiris Ioannidis, Angelos Keromytis, “Band-aid Patching”, in Proceedings of the
USENIX 3rd Workshop on Hot Topics in System Dependability (HotDep) (short paper), Edimburgh, UK,

June 2007.
C15. Jonathan Voris, Sotiris Ioannidis, Susanne Wetzel, Ulrike Meyer, “Performance Evaluation of a
Privacy-Preserving Policy Reconciliation Protocol”, in Proceedings of the IEEE Workshop on Policies
for Distributed Systems and Net-works (Policy), Rome, Italy, June 2007.
C16. Ulrike Meyer, Susanne Wetzel, Sotiris Ioannidis, “Distributed Privacy-Preserving Policy
Reconciliation”, in Proceedings of the IEEE International Conference on Communications (ICC),
Glasgow, UK, June 2007.
C17. Vasilis Prevelakis, Sotiris Ioannidis, “Preserving TCP Connections Across Host Address
Changes”, in Proceedings of the 9th Information Security Conference (ISC), Samos, Greece, August-
September 2006.
C18. K. G. Anagnostakis, M. B. Greenwald, S. Ioannidis, Angelos Keromytis, “Robust Reactions
to Potential Day-Zero Worms through Cooperation and Validation”, in Proceedings of the 9th
Information Security Conference (ISC), Samos, Greece, August-September 2006.
C19. Sotiris Ioannidis, Stelios Sidiroglou, Angelos Keromytis, “Privacy as an Operating System
Service”, in Proceedings of the USENIX 1st Workshop on Hot Topics in Security (HotSec), Vancouver,
BC, Canada, July 2006.
C20. A. D. Keromytis, K. Anagnostakis, S. Ioannidis, M. Greenwald, J. M. Smith, “Managing Access
Control in Large Scale Heterogeneous Networks”, in Proceedings of the NATO C3 Symposium on
Interoperable Networks for Secure Communications (INSC), The Hague, Netherlands, November 2003.
C21. K. G. Anagnostakis, M. B. Greenwald, S. Ioannidis, A. D. Keromytis, D. Li, “A Cooperative
Immunization System for an Untrusting Internet”, in Proceedings of the 11th IEEE International
Conference on Networks (ICON), pp. 403-408, Sydney, Australia, October 2003.
C22. Matt Blaze, John Ioannidis, Sotiris Ioannidis, Angelos D. Keromytis, Pekka Nikander, Vassilis
Prevelakis, “TAPI: Transactions for Accessing Public Infrastructure”, in Proceedings of the 8th IFIP
Personal Wireless Communications (PWC) Conference, Venice, Italy, September 2003.
C23. Stefan Miltchev, Vassilis Prevelakis, Sotiris Ioannidis, John Ioannidis, Angelos D. Keromytis,
Jonathan M. Smith, “Secure and Flexible Global File Sharing”, in Proceedings of the USENIX Annual
Technical Conference, Freenix Track, pp. 165 - 178, San Antonio, TX, June 2003.
C24. Sotiris Ioannidis, Steven M. Bellovin, John Ioannidis, Angelos D. Keromytis, Jonathan M.
Smith, “Design and Implementation of Virtual Private Services”, in Proceedings of the IEEE
International Workshops on Enabling Technologies: Infrastructure for Collaborative Enterprises
(WETICE), Workshop on Enterprise Security, Special Session on Trust Management in Collaborative
Global Computing, Linz, Austria, June 2003.
C25. Alexander Levine, Vassilis Prevelakis, John Ioannidis, Sotiris Ioannidis, Angelos D.
Keromytis, “WebDAVA: An Administrator-Free Approach To Web File-Sharing”, in Proceedings of
the IEEE International Workshops on Enabling Technologies: Infrastructure for Collaborative Enterprises
(WETICE), Workshop on Distributed and Mobile Collaboration, Linz, Austria, June 2003.
C26. Angelos D. Keromytis, Sotiris Ioannidis, Michael B. Greenwald, Jonathan M. Smith, “The
STRONGMAN Architecture”, in Proceedings of the Third DARPA Information Survivability Conference
and Exposition (DISCEX III), Washington DC, April 2003.
C27. K. G. Anagnostakis, M. Greenwald, S. Ioannidis, S. Miltchev, “Open Packet Monitoring on
FLAME: Safety, Performance and Applications”, in Proceedings of the 4th IFIP International Working
Conference on Active Networks (IWAN), pp. 120-131, Zurich, Switzerland, December 2002.

C28. Sotiris Ioannidis, Steven M. Bellovin, Jonathan M. Smith, “ Sub-Operating Systems: A New
Approach to Application Security”, in Proceedings of the ACM SIGOPS European Workshop, France,
September 2002.
C29. Stefan Miltchev, Sotiris Ioannidis, Angelos Keromytis, “A Study of the Relative Costs of Network
Security Proto-cols”, in Proceedings of USENIX 2002 Annual Technical Conference, Freenix Track,
Monterey, CA, June 2002.
C30. S. Ioannidis, K. G. Anagnostakis, J. Ioannidis, A. D. Keromytis, “xPF: Packet Filtering for Low-
Cost Network Monitoring”, in Proceedings of the IEEE Workshop on High-Performance Switching and
Routing (HPSR), pp. 121-126, Kobe, Japan, May 2002.
C31. John Ioannidis, Sotiris Ioannidis, Angelos D. Keromytis, Vassilis Prevelakis, “Fileteller: Paying and
Getting Paid for File Storage”, in Proceedings of Financial Cryptography (FC), Bermuda, March 2002.
C32. K. G. Anagnostakis, S. Ioannidis, S. Miltchev, J. Ioannidis, M. Greenwald, J. M. Smith, “Efficient
Packet Monitoring for Network Management”, in Proceedings of the 8th IEEE/IFIP Network
Operations and Management Symposium (NOMS), pp. 423-436, Florence, Italy, April 2002.
C33. K. G. Anagnostakis, S. Ioannidis, S. Miltchev, J. M. Smith, “Practical Network Applications on a
Lightweight Active Management Environment”, in Proceedings of the 3rd IFIP International Working
Conference on Active Networks (IWAN), pp. 101-115, Philadelphia, USA, October 2001.
C34. Sotiris Ioannidis, Steven M. Bellovin, “Building a Secure Web Browser”, in Proceedings of
USENIX Annual Technical Conference, Freenix Track, Boston, June 2001.
C35. Sotiris Ioannidis, Angelos D. Keromytis, Steven M. Bellovin, Jonathan M. Smith, “Implementing
a Distributed Firewall”, in Proceedings of the ACM Computer and Communications Security (CCS), pp.
190-199, Athens, Greece, November 2000.
C36. K. G. Anagnostakis, M. W. Hicks, S. Ioannidis, A. D. Keromytis, J. M. Smith, “ Scalable Resource
Control in Active Networks”, in Proceedings of the 2nd IFIP International Working Conference on
Active Networks (IWAN), pp. 343-357, Tokyo, Japan, October 2000.
C37. Sotiris Ioannidis, Evangelos P. Markatos, Julia Sevaslidou, “Using Network Memory to Improve
the Performance of Transaction-Based Systems”, in Proceedings of International Conference on
Parallel and Distributed Processing Techniques and Applications (PDPTA), Las Vegas, NV, July 1998.
C38. Sotiris Ioannidis, Sandhya Dwarkadas, “Compiler and Run-Time Support for Adaptive Load
Balancing in Soft-ware Distributed Shared Memory Systems”, in Proceedings of the ACM Fourth
Workshop on Languages, Compilers, and Run-time Systems for Scalable Computers (LCR), pp. 107-122,
Pittsburg, PA, May 1998.
Articles (non peer reviewed)
A1. Sotiris Ioannidis, Evangelos Markatos, Engin Kirda, Christopher Kruegel, “Drivers of Emerging and
Future Threats in ICT Infrastructures”, in ENISA Quarterly, Vol. 5, No. 3, July-September 2009.
A2. Sotiris Ioannidis, Evangelos Markatos, Christopher Kruegel, “On looking FORWARD”, in ERCIM
News, No. 76, January 2009
A3. Sotiris Ioannidis, Evangelos Markatos, Engin Kirda, Christopher Kruegel, “Tracing the Changing

Nature of Cyberattacks”, in ENISA Quarterly, Vol. 4, No. 4, October-December 2008.
Selected Invited Talks
1. “Cloud Computing Threats (real and perceived)”, Free and Open Source Software Workshop,
University of Crete, May 2010.
2. “Web Security,” W3C Workshop, Foundation for Research and Technology – Hellas, September
2009.
3. “Gnort: High Performance Intrusion Detection Using Graphics Processors,” AIT Workshop on
Practical aspects of security (PRACSE), June 2009.
4. “Security and Privacy in a Networked and Mobile World,” FIDIS Interdisciplinary Doctoral
Consortium, June 2008.
5. “Consistent Security Policy Evaluation,” Stevens, Columbia, and IBM Research, Security and
Privacy Day, November 2005.
6. “Consistent Security Policy for Decentralized Systems,” Institute of Computer Science, Foundation
for Research and Technology Hellas, February 2004.
7. “Abstraction, Specification and Enforcement of Security Policies for Decentralized Systems,”
TACL Seminar, Princeton University, November 2003.
8. “Consistent Security Policy for Decentralized Systems,” Rutgers University, July 2003.
9. “Abstraction, Specification and Enforcement of Security Policies for Decentralized Systems,”
Secure Systems Research Department, AT&T Labs Research, September 2002.
10. “Fine-Grain Policy-Based Access Control for Distributed Systems,” SDL–LCS Seminar Series,
Carnegie-Mellon University, April 2002.
Student Supervision
1. Frey Kuo, Ph.D. student at UPenn, working on FLAME
2. Dekai Li, Ph.D. student at UPenn, working on FLAME
3. Brian Zima, M.Sc. student at UPenn, working on Web Browser security
4. Thomas Langan, M.Sc. student at UPenn, working on CANON
5. Ryan Marone, B.E. student at Stevens Tech, Technogenesis project on Cybersecurity
6. Matt Keyser, B.E. student at Stevens Tech, Technogenesis project on Cybersecurity

7. Ilya Chalyt, B.Sc. student at Stevens Tech, Stevens Cybersecurity contest
8. Nick Egebo, B.Sc. student at Stevens Tech, Stevens Cybersecurity contest
9. Chris Gamio, B.Sc. student at Stevens Tech, Technogenesis project on Cybersecurity
10. Sean M. Freeman, B.Sc. student at Stevens Tech, Technogenesis project on Cybersecurity
11. Jonathan Voris, M.Sc. student at Stevens Tech, working on Privacy-Preserving Policy Reconciliation
12. John Hite, B.Sc. student at Stevens Tech, working on Wireless Vulenerabilities.
13. Gary Brown, B.Sc. student at Stevens Institute of Technology Technogenesis project on Cybersecurity
14. Daniel Ready, B.Sc. student at Stevens Institute of Technology Technogenesis project on Cybersecurity
15. Eleni Gessiou, M.Sc. student at the University of Crete, project PASS.
16. Giorgos Vasiliadis, Ph.D. student at the University of Crete, project Gnort.
Professional Activities
Program Chair: European Conference on Computer Network Defense (EC2ND), 2008.
Program Chair: ENISA-FORTH Network and Information Security Summer School, 2008.
Program Chair: European Conference on Computer Network Defense (EC2ND), 2007.
Steering Committee: European Conference on Computer Network Defense (EC2ND), 2011.
Steering Committee: European Conference on Computer Network Defense (EC2ND), 2010.
Steering Committee: European Conference on Computer Network Defense (EC2ND), 2009.
Program Committee: IEEE International Conference on Communications (ICC), 2011.
Program Committee: International Workshop on SEcurity and SOCial Networks (SESOC), 2010.
Program Committee: European Workshop on System Security (EuroSec), 2010.
Program Committee: European Conference on Computer Network Defense (EC2ND), 2010.
Program Committee: Workshop in Information Security Theory and Practices (WISTP), 2010.
Program Committee: European Conference on Computer Network Defense (EC2ND), 2009. Program Committee:
ACM Conference on Computer and Communications Security (CCS), 2009.
Program Committee: Workshop in Information Security Theory and Practices (WISTP), 2009.
Program Committee: IEEE International Workshop on Security, Privacy and Authentication in Wireless Networks
(SPAWN), 2009.
Program Committee: International Workshop on Security and Privacy in Wireless and Mobile Computing, Networking
and Communications (SecPriWiMob), 2009.
Program Committee: International Workshop on Foundations and Techniques for Open Source Software Certification
(OpenCert), 2009.

Program Committee: ACM SIGKDD Workshop on CyberSecurity and Intelligence Informatics (CSI-KDD), 2009.
Program Committee: Information Security Conference (ISC), 2009. Program Committee: International Symposium On
Recent Advances In Intrusion Detection (RAID), 2009.
Program Committee: European Workshop on System Security (EuroSec), 2009. Program Committee: Workshop on
Open Source Software for Computer and Network Forensics (OSSCoNF), 2008.
Program Committee: International Workshop on Security in Opportunistic and SOCial Networks (SOSOC), 2008.
Program Committee: New Technologies, Mobility and Security (NTMS), 2008.
Program Committee: European Workshop on System Security (EuroSec), 2008.
Program Committee: IEEE International Wireless Communications and Mobile Computing Conference (IWCMC),
2008.
Program Committee: Workshop in Information Security Theory and Practices (WISTP), 2008.
Program Committee: International Conference on Distributed Computing Systems (ICDCS) (Security Track), 2007.
Program Committee: Workshop on Automated Self-Healing (WASH), 2006. Program Committee: WWW 2006
Conference (Security, Privacy and Ethics track).
Program Committee: Applied Cryptography and Network Security, 2005.
Program Committee: Usenix Security Conference, 2004.
References
Available upon request