Albert Levi
Affiliation
2002 (February) - now: Faculty Member (currently Prof.), Faculty of Engineering and Natural Sciences (Computer Science Program), Sabanci University,
Istanbul, Turkey
Education
- PhD in Computer Engineering, Bogazici
University , Istanbul, Türkiye, 1999
- MS in Computer Engineering, Bogazici
University, Istanbul, Türkiye, 1993
- BS in Computer Engineering, Bogazici
University, Istanbul, Türkiye, 1991
More up-to-date info about me can be found in my CV (updated September 2020)
Research
Interests
- Information and Network
Security
- Privacy and Security in
Wireless, Ad Hoc and Sensor Networks
- Digital Certificates and
Public Key Infrastructures
- Application-level
Network Security Protocols
- E-mail security
- Electronic Commerce and
Electronic Payment Systems
- Cryptography
- Computer Networks and
Communications
Citizenship
(Selected Services)
- General Chair, NTMS 2012
- Editorial Board Member
for The Computer Journal (Oxford University Press)
- Program co-Chair of NTMS
2009 Security Track
- General Chair of SecureComm 2008 (4th International Conference on
Security and Privacy in Communication Networks).
- Local Arrangements Chair
of MASCOTS 2007 (15th Annual Meeting of the IEEE International Symposium
on Modeling, Analysis, and Simulation of Computer and Telecommunication
Systems).
- General and Program co-Chair of ISCIS (21st International Symposium on
Computer and Information Sciences) 2006.
- Technical Program
Committee Member - iNetSec (Workshop on Open Research
Problems in Network Security), 2009
- Technical Program
Committee Member - N2S (International Conference on Network and Service
Security), 2009.
- Technical Program
Committee Member - PST (Annual Conference on Privacy, Security and Trust),
2009.
- Technical Program
Committee Member - Inscrypt (International
Conference on Information Security and Cryptology), 2008
- Technical Program
Committee Member - Q2SWinet (ACM International Symposium on QoS and Security for Wireless and Mobile Networks),
2008 and 2009
- Technical Program
Committee Member - SOSOC (International Workshop on Security in
Opportunistic and SOCial Networks), 2008 and
2009.
- Technical Program
Committee Member - ISCIS (International Symposium on Computer and
Information Sciences) 2001, 2004, 2005, 2007, 2008 and 2009.
- Technical Program
Committee Member - ICCCN (International Conference on Computer
Communications and Networks) 2000, 2001, 2002, 2003, 2004, 2005, 2006,
2007, 2008 and 2009.
- Technical Program
Committee Member - IEEE/Create-Net SecureComm
(International Conference on Security and Privacy in Communication
Networks), 2006, 2007 and 2008.
- Technical Program
Committee Member - SECRYPT (International Conference on Security and
Cryptography), 2006, 2007, 2008 and 2009.
- Technical Program Committee
Member - IFIP/TC6 Networking, 2007 and 2008.
- Technical Program
Committee Member - IEEE Globecom (The IEEE
Global Communications Conference), 2007.
- Technical Program
Committee Member - IEEE ICC (Network Security and Information Assurance
Symposium), 2006.
- Technical Program
Committee Member – EWSN (European Workshop on Wireless Sensor Networks),
2005.
- Technical Program
Committee Member – Med-Hoc-Net (Annual Mediterranean Ad Hoc Networking
Workshop), 2004.
- Review Committee Member,
ACSAC (Annual Computer Security Applications Conference), 2002, 2003, 2004
and 2005
- Reviewer for numerous
symposia, conferences, workshops and journals, including IEEE Transactions
on Computers, IEEE Transactions on Mobile Computing, IEEE Transactions on
Signal Processing, ACM MONET, Computer Networks (Elsevier), Ad Hoc
Networks (Elsevier), Computers & Security (Elsevier), Journal of
Systems and Software (Elsevier), WiNet (Wireless
Networks), IEEE INFOCOM, IEEE WCNC (IEEE Wireless Communications and
Networking Conference), CHES (Cryptographic Hardware Embedded Systems)
workshop.
- Project referee and
inspector for TÜBİTAK TEYDEB, TTGV (Technology Development Foundation of
Turkey). and STW (Dutch Research Foundation).
- R&D Center
Evaluation Committee Member/Referee for Ministry of Industry and Trade of
Turkey
- Panel member for project
proposal evaluations submitted to TÜBİTAK EEEAG.
- Independent expert to
evaluate projects proposed to FP6 – IST programme
(security and dependability area).
- Chair of external
transfers committee at Sabanci University, 2008
– now.
- Member of Executive
Council of Graduate School at Sabanci
University, 2008 – now
- CS program graduate
advisor at Sabanci University, 2005 – now.
- Member of external
transfers committee at Sabanci University, 2005
– now.
- CS program coordinator
at Sabanci University, 2004 – 2005.
- Chair of the Academic
Archive Committee at Sabanci University, 2003 –
now.
Courses
Taught
- CS204, Advanced
Programming, Summer 2011, Sabanci
University
- CS432, Computer and Network
Security, Spring 2008, Spring 2010, Spring 2011, Sabanci University
- CS535, Wireless Network
Security, Fall 2007, Fall 2008, Fall 2009, Fall 2010, Fall
2011, Sabanci University
- CS201, Introduction to
Computing, Summer 2002, Fall 2002, Fall 2003, Fall 2004,Fall 2005, Fall
2006, Fall 2007, Fall
2008, Sabanci University
- CS532, Computer and
Network Security, Spring 2003, Spring 2004, Spring 2006, Spring 2007,
Spring 2008 Sabanci University
- CS408, Computer
Networks, Fall 2002, Spring 2004, Fall 2004, Spring 2006, Spring 2007,
Spring 2009, Fall 2009, Fall 2010, Fall 2011, Sabanci University
- CS533, Computer
Networks, Spring 2002, in Sabanci University
- CS681, Selected Topics
in CS: Advanced Wireless Network Security, Spring 2008, Spring 2009,
Spring 2010, Spring 2011, Sabanci University
- CS680, Selected Topics
in CS: Wireless, Ad Hoc and Sensor Networks Security, Fall
2003, Fall 2005, Sabanci University
- CS681, Selected Topics
in CS: privacy Preserved Data Management, Spring 2005, Spring 2007, Sabanci University
- ECE 473/573,
Microprocessor Based System Design: Fall 1999, Winter 2000, Winter 2001,
in Oregon State University (Web page of this course has been removed by
OSU, sorry)
- ECE 375, Computer
Architecture and Assembly Programming: Winter 2000, Spring 2000, Spring
2001, in Oregon State University (Web page of this course has been removed
by OSU, sorry)
- CmpE 150, Pascal Programming
Language: More than 10 times between 1993 and 1999, in Bogazici
University
Work
Experience
- 2008 (January) - now:
Faculty Member (Assoc. Prof.) , Faculty
of Engineering and Natural Sciences (Computer Science Program), Sabanci
University, Istanbul, Turkey
- 2002 (February) - 2008
(January): Faculty Member (Asst. Prof.) , Faculty of Engineering and Natural
Sciences (Computer Science Program),
Sabanci
University, Istanbul, Turkey
- 2001 (October) - 2002
(January): Consultant and Security Architect, rTrust Technologies,
Corvallis, Oregon, USA
- 1999 (September) - 2002
(January): Visiting Faculty, Department
of Electrical and Computer Engineering, Oregon
State University, Corvallis,
Oregon, USA
- 1999 (September) - 2002
(January): Post-doc Research Associate, Information Security Lab, Oregon State University,Corvallis,
Oregon, USA
- 1999 (July) - 2000
(July): Instructor, Department of
Computer Engineering, Bogazici University, Istanbul, Türkiye
- 1991 (Oct)-1999 (Jun):
Teaching and Research Assistant., NETLAB,
Department of Computer Engineering,
Bogazici
University, Istanbul, Türkiye
Recent
Funded Projects
- Secure and Scalable Key
Distribution in Ad Hoc and Sensor Networks, TÜBİTAK (The Scientific and Technical
Research Council of Turkey) CAREER Grant, 2005 - 2010, Role: PI
- Privacy Protecting
Biometric Authentication Systems, supported by TÜBİTAK, 2006 - 2008, Role:
Researcher
- Design and Realization
of Secure Sensor Network Prototype on a Programmable Logic Device (FPGA),
supported by TÜBİTAK, 2004 - 2007, Role: Researcher.
- Broadband Service
Manager, supported by local industry, 2003 - 2005, Role: co-PI.
Publications
Theses
Refereed Journal Papers and Book Chapters
- "Two-Tier, Scalable
and Highly Resilient Key Predistribution Scheme
for Location-Aware Wireless Sensor Network Deployments", Mobile
Networks and Applications (ACM/Springer), accepted for publication, 2009,
with A. Ünlü.
- "Simple, Extensible
and Flexible Random Key Predistribution Schemes
for Wireless Sensor Networks using Reusable Key Pools", Journal
of Intelligent Manufacturing (Springer), accepted for publication,
February 2009, with Sinan E. Taşçı, Young
J. Lee, Yong J. Lee, Ersoy Bayramoğlu
and Murat Ergun.
- "Achieving Fast Self Healing in Wireless Sensor Networks Using
Multi-generation Deployment Schemes", e-Business and
Telecommunications - ICETE 2008, CCIS 48, pp. 180–198, J. Filipe and M.S. Obaidat (Eds.), Springer-Verlag,
2009, with Ö. Z. Yılmaz and E. Savaş .
- "Public key
cryptography based privacy preserving multi-context RFID infrastructure",
Ad Hoc Networks (Elsevier), vol. 7, no. 1, January 2009, pp. 136 - 152,
with S. V. Kaya, E.Savaş, Ö. Erçetin.
- "Understanding
the limitations of S/MIME digital signatures for e-mails: A GUI based
approach", Computers & Security, vol. 28, no. 3-4, May-June
2009, pp. 105 - 120, with C. B. Güder.
- "Privacy Preserving
Clustering on Horizontally Partitioned Data", Data and Knowledge
Engineering (Elsevier), vol.63, no.3, pp. 646-666, 2007, with A. Inan, S. V. Kaya, Y. Saygin,
E. Savaş, and A. A. Hintoglu.
- "Digital
Certificates", (book chapter), The Handbook of Information Security, vol 1, pp. 823 - 835, Hossein Bidgoli
(Editor-in-Chief), Wiley, 2006.
- “Quarantine
Region Scheme to Mitigate Spam Attacks in Wireless Sensor Networks”,
IEEE Transactions on Mobile Computing, vol. 5, no. 8, pp.1074 – 1086, August
2006, with V. Coskun, E. Cayirci
and S. Sancak.
- "Use of nested certificates for efficient, dynamic
and trust preserving public key infrastructure", ACM TISSEC
Transactions on Information and System Security, vol. 7, no. 1, February
2004, pp. 21 - 59, with M. Ufuk Caglayan and Cetin K. Koc.
- "How Secure Is Secure Web Browsing",
Communications of the ACM, 46(7), 152-152, July 2003.
- "Risks in email
security", Communications of the ACM, 44(8):112-112, August 2001,
with Cetin K. Koc.
- "Artificial
Intelligence Search Techniques for Discrete Link Capacity Assignment in
Prioritized Multiservice Networks," International Journal of
Computer System Science and Engineering, Vol.15, No:3, pp. 191-197, May
2000, with Cem Ersoy
and Okan Gumrah.
- "Analytical Performance Evaluation of Nested Certificates",
Performance Evaluation,vol. 36-37, pp. 213 -
232, August 1999, with M. Ufuk Caglayan.
Refereed Conference Papers in English
- "A Game Theoretic
Model for Digital Identity and Trust in Online Communities", accepted
to ASIACCS 2010 - 5th ACM Symposium on Information, Computer and
Communications Security, April 13 - 16, 2010, Beijing, China, with T. Alpcan, C. Orencik and E. Savaş.
- "Energy Efficient
Privacy Preserved Data Gathering in Wireless Sensor Networks Having Multiple
Sinks", CSA 2009 - 2nd International Conference on Computer Science
and its Applications, December 10 – 12, 2009, Jeju,
Korea, with H. Bahşi.
- "A Highly Resilient
and Zone-based Key Predistribution Protocol for
Multiphase Wireless Sensor Networks", ACM Q2SWinet 2009 - The 5th ACM
International Symposium on QoS and Security for
Wireless and Mobile Networks, October 28–29, 2009, Tenerife, Canary
Islands, Spain, with K. Kalkan,
S. Yılmaz, and Ö. Z. Yılmaz.
- "A Resilient Key Predistribution Scheme for Multi-Phase Wireless Sensor
Networks", In Proceedings of ISCIS 2009 - 24th International
Symposium on Computer and Information Sciences, pp. 385 - 390, September,
2009, METU Northern Cyprus Campus, with M. Ergun and E. Savaş.
- "Dynamic Resiliency
Analysis of Key Predistribution in Wireless
Sensor Networks", accepted to IEEE ICC 2009 - IEEE International
Conference on Communications, Communication and Information Systems
Security Symposium, Dresden, Germany,
2009, with A. Onur Durahim.
- "Two-Tier,
Location-Aware and Highly Resilient Key Predistribution
Scheme for Wireless Sensor Networks", In Proceedings of BCS Visions of Computer Science Conference,
September 2008, London, UK, with A. Ünlü.
- "Multiphase
Deployment Models for Fast Self-Healing in Wireless Sensor Networks",
In Proceedings of Secrypt 2008,
International Conference on Security and Cryptography, pp. 136 –
144, Porto, Portugal, July 2008, with Ö. Z. Yılmaz and E. Savas.
- "Disclosure Risks
of Distance Preserving Data Transformations", Proceedings of 20th
International Conference on Scientific and Statistical Database Management
(SSDBM) July, 2008, Hong Kong, China, with O. E. Turgay,
T. B. Pedersen, Y. Saygin, and E. Savas.
- "Simple and
Flexible Random Key Predistribution Schemes for
Wireless Sensor Networks Using Deployment Knowledge", In the
proceedings of ISA 2008 - The 2nd International Conference on Information
Security and Assurance, Busan, South Korea, IEEE Computer Society Press,
pp. 488 – 494, April 2008, with S. E. Taşçı, and
E. Bayramoğlu.
- "Towards a Framework
for Security Analysis of Multiple Password Schemes", Proceedings of the ACM EUROSEC 2008, 1st ACM European
workshop on system security (part of ACM Eurosys
2008), Glasgow, Scotland, March 31, 2008, pp. 16 -21, with K. Karaca.
- "Distributed
Privacy Preserving k-Means Clustering with Additive Secret Sharing",
International Workshop on Privacy and Anonymity in the Information Society
(PAIS) March 29, 2008, Nantes (France), with M. C. Doganay,
T. B. Pedersen, Y. Saygin, and Erkay Savas.
- "Privacy-Aware
Multi-Context RFID Infrastructure using Public Key Cryptography,"
IFIP/TC6 Networking 2007, LNCS 4479, Atlanta GA, USA, May 2007, with S. V.
Kaya, E. Savaş, and Ö. Erçetin, .
- "Key Predistribution Schemes for Sensor Networks for
Continuous Deployment Scenario," IFIP/TC6 Networking 2007, LNCS 4479,
Atlanta GA, USA, May 2007, with A. Ünlü, Ö. Armağan, E. Savaş and Ö. Erçetin.
- "An Optimistic Fair
E-commerce Protocol for Large E-goods," Proceedings of Seventh IEEE
International Symposium on Computer Networks (ISCN' 06), pp.214 – 219,
June 2006, with C. C. Öniz , and E. Savaş.
- "Privacy Preserving
Clustering on Horizontally Partitioned Data," IEEE Intenational Workshop on Privacy Data Management in
22nd International Conference on Data Engineering Workshops (ICDEW'06),
Atlanta, GA, USA, April 2006, with A. Inan, Y. Saygın, E. Savaş, and A. A. Hintoğlu.
- "Secret sharing
using biometric traits," Proc. SPIE Vol. 6202, 62020W, Biometric
Technology for Human Identification III; Patrick J. Flynn, Sharath Pankanti; Eds.
Orlando, FL, USA, April 2006, with A. Kholmatov, B. Yanikoğlu, and E. Savaş.
- “A Fair Multimedia
Exchange Protocol”, 20th International Symposium on Computer and
Information Sciences - ISCIS 2005, Istanbul, Turkey, Springer-Velag, LNCS 3733, pp. 342 – 351, October 2005, with C.
C. Oniz and E. Savas.
- “Performance Evaluation
of End-to-End Security in Wireless Applications using WTLS Handshake
Protocol”, 20th International Symposium on Computer and Information
Sciences - ISCIS 2005, Istanbul, Turkey, Imperial College Press, pp. 211 –
221, October 2005, with B. Bayoglu and E. Savas.
- "SeFER: A Secure, Flexible and
Efficient Routing Protocol for Distributed Sensor Networks",
accepted to EWSN 2005, 2nd European Workshop on Sensor Networks, with Cagil Can Oniz, Sinan Emre Tasci, Erkay Savas and Ozgur Ercetin, February
2005.
- "Relay Attacks on Bluetooth Authentication and
Solutions", ISCIS 2004 - The 19th International Symposium on
Computer and Information Sciences, Antalya, Turkey, Springer-Verlag, LNCS 3280, pp. 278 - 289, October 2004, with Erhan Cetintas, Murat Aydos, Cetin K. Koc and M.
U. Caglayan.
- "Practical and Secure E-Mail System (PractiSES)", ADVIS 2004 - Third Biennial
International Conference on Advances in Information Systems, Izmir,
Turkey, Springer-Verlag, LNCS 3261, pp. 410 -
419, October 2004, with Mahmut Ozcan.
- "A Probabilistic Routing Disruption Attack
on DSR and Its Analysis", Med-Hoc-Net 2004 - Third Annual
Mediterranean Ad Hoc Networking Workshop, pages 300 - 306, Bodrum, Turkey, June 2004, with Ozleyis
Ocakoglu, Burak Bayoglu, Ozgur Ercetin and Erkay Savas.
- "Sensor Wars: Detecting and Defending Against
Spam Attacks in Tactical AdHoc Sensor Networks",
ICC 2004 - IEEE International Conference on Communications, Paris,
France, vol. 27, no. 1, June 2004, pp. 3668 - 3672, with
Serdar Sancak, Erdal Cayirci and Vedat Coskun.
- "Performance Evaluation of Public-Key
Cryptosystem Operations in WTLS Protocol", Proceedings, The
8th IEEE Symposium on Computers and Communications - ISCC 2003, pages 1245
- 1250, Kemer-Antalya, Turkey, IEEE Computer
Society Press, June 30 - July 3, 2003, with Erkay
Savas.
- "CONSEPP: CONvenient and Secure Electronic Payment Protocol
based on X9.59", Proceedings, The 17th Annual Computer Security
Applications Conference, pages 286-295, New Orleans, Louisiana, IEEE
Computer Society Press, Los Alamitos, California, December 10-14, 2001,
with Cetin K. Koc. (abstract)
- "Reducing
Certificate Revocation Cost using NPKI", Trusted Information, The
New Decade Challenge, IFIP TC11 16th International Conference on
Information Security, pages 51-59, M. Dupuy and
P. Paradinas, editors, Kluwer Academic
Publishers, Boston, MA, June 11-13, 2001.with Cetin K. Koc.
(abstract)
- "An
Efficient, Dynamic and Trust Preserving Public Key Infrastructure",
Proceedings of 2000 IEEE Symposium on Security and Privacy, pp. 203 - 214,
Oakland, CA, USA, May 2000, with M. Ufuk Caglayan.
- "Verification of Classical Certificates via Nested
Certificates and Nested Certificate Paths", Proceedings of the
Eighth International Conference on Computer Communications and Networks
(ICCCN'99), pp. 242 – 247, Boston, MA, USA, October 1999, with M. Ufuk Caglayan.
- "Integrity Control In Nested Certificates",
in the proceedings of BAS'99, The Fourth Symposium on Computer Networks,
20-21 May 1999, Istanbul, Türkiye, pp. 149 –157
with M. Ufuk Caglayan.
- "NPKI: Nested Certificate Based Public Key
Infrastructure", in the Advances in Computer and Information
Sciences '98 - Proceedings of the Thirteenth International Symposium on
Computer and Information Sciences - ISCIS XIII, IOS Press, Concurrent
Systems Engineering Series, vol. 53, pp. 397 – 404, October 1998, Türkiye, with M. Ufuk Caglayan.
- "A Multiple Signature Based Certificate Verification
Scheme", in the proceedings of BAS'98, The Third Symposium on
Computer Networks, 25-26 June 1998, ?zmir, Türkiye, pp. 1 –10, with M. Ufuk
Caglayan.
- "The Problem of Trusted Third Party in Authentication
and Digital Signature Protocols", ISCIS-XII, The Twelfth
International Symposium on Computer and Information Sciences, 27 - 29
October 1997, Antalya, Turkiye, with M. Ufuk Caglayan.
- Discrete Link Capacity
Assignment in Prioritized Computer Networks: 2 Approaches", in the
Proceedings of the Ninth International Symposium on Computer and
Information Sciences (ISCIS IX), Antalya, November 1994, pp. 408-415, with
Cem Ersoy.
Papers
in Turkish
- "Güvenli E-Posta İçin Anahtar Yönetim Protokolleri",
Bilişim 2003, TBD 20. Bilişim
Kurultayı, 2 - 6 Eylül
2003, Istanbul, in Turkish., with Mahmut Ozcan.
- "Nasıl bir e-posta güvenliği",
Bilişim Güvenlik,
Mart/Nisan 2003, in Turkish, sayfa 38 - 40.
- "Açık Anahtar Tabanlı Şifreleme Neden Zordur?",
Bilişim 2002, TBD 19. Bilişim
Kurultayı, 3 - 6 Eylül
2002, Istanbul, sayfa 41 – 45, in Turkish., with
Mahmut Ozcan.
- "Elektronik Ticaret Gosterileri", Bilisim
99, TBD 16. Bilisim Kurultayi,
Aralik, 1999. Also appeared in IGEME'den Bakis, sayi 11, pp. 65-71, Ankara, 1999. with Selahattin Kuru, H. Levent Akin, Olcay Kursun, Olcay Taner Yildiz.
- "Türkiye için bir Açık Anahtar
Altyapısı Modeli", Bilişim 98,
TBD 15. Bilişim Kurultayı,
2 - 6 Eylül 1998, Istanbul, sayfa
354 – 361, in Turkish., with M. Ufuk Caglayan.
- "Elektronik Posta Güvenliği ve Açık Anahtar
Sunucuları", Bilişim 97, TBD 14.
Bilişim Kurultayı, 3 -
6 Eylül 1997, Istanbul, sayfa
114 -117, in Turkish, with M. Ufuk Caglayan.
- "Elektronik Posta Güvenliği için PGP kullanımı",
Aç?k Sistem '97, 7. Açık Sistem Sempozyumu, 19 -21 Mart 1997, Istanbul, sayfa 39 -46, in Turkish, with M. Ufuk
Caglayan.
- "Bilgisayar İletişiminde Kimlik Kanıtlama ve Güvenli Üçüncü Kişi Sorunları", 4. Bilgisayar
- Haberleşme Sempozyumu,
Bursa, 11 - 15 Aral?k
1996, sayfa 85 -88, in Turkish, with M. Ufuk Caglayan.
On the web
Technical Reports
- "Nested
Certificates and Their Applications in Public Key Infrastructures,"
Technical Report FBE/CmpE-02/98-13, Bogaziçi
University, 1998, with M. Ufuk Caglayan.
Scholarship
and Honors
- Sabancı Univesity,
Graduating Class Award 2007.
- TÜBİTAK Kariyer Award, 2004.
- TÜBİTAK (Turkiye
Scientific and Technical Research Association) PhD Scholarship (1994 -
1997)
- Graduation High Honour degree (top 4th of the department)
Other
Supporter of Galatasaray SK
· Was born in Istanbul
on August 28th, 1969
· Married, father of Deniz and Selin
Contact
- Address: Sabanci University, Faculty of Engineering and Natural
Sciences, Orhanli, Tuzla 34956 Istanbul, TURKEY
- Tel: +90 (216) 483 9563
- Fax: +90 (216) 483 9550
- Email:
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