Education

• Columbia University, New York, New York
• Ph.D. in Computer Science, October 2006
Research concentrated in applied cryptography and security
• Master of Philosophy in Computer Science, May 2004
• Master of Science in Computer Science, May 2002

• The Johns Hopkins University, Baltimore, Maryland
• Master of Science in Engineering in Mathematical Sciences, May 1991
Concentration in operations research and optimization algorithms
• Bachelor of Science in Mathematical Sciences, May 1991

Work Experience

Telcordia, May 2009 to present

IDA-CCS, January 2009 to April 2009

Alcatel-Lucent Bell Labs Research, July 2006 to January, 2009

• Research in the area of symmetric key cryptography primitives.
• Research in privacy aspects related to intrusion detection.
• Designing a mechanism for and testing the usability of one-time passwords in consumer applications.
• Investigating the potential use of proxy cryptography and identity-based encryption in VoIP.
• Experimenting with the use of heuristics in phishing prevention.
• Research in the area of security event management.

Columbia University Network Security Lab: Graduate Research Assistant, January 2002 to June 2006

• Using GPUs for cryptographic processing
  Graphics processing units were used for encrypting data and for securing remote displays on untrusted clients.
• Applying the concept of proxy cryptography to symmetric key ciphers
  The security implications of any symmetric key cipher which satisfies the goals of proxy cryptography were determined.
• Performance modeling and implementation of a secure overlay service
  A method of using an overlay network to provide access to a server under a denial of service attack was simulated and implemented.

AT&T: September 1991 to December 2004

• AT&T Labs: January 2001 to December 2004
  Senior Technical Staff Member - network systems engineer for VoIP services
  The work included providing security recommendations and assessments of VoIP services, defining network element requirements for business services and testing network elements.
• AT&T Labs: September 1996 to January 2001
  Senior Technical Staff Member - network systems engineer for business services
  The work included developing programs for network capacity forecasting, working on cross - organizational teams to define market entry plans and providing technical support in negotiations with other telecommunication carriers concerning interconnection agreements for local services.
• AT&T Local Services: May 1995 to September 1996
  Senior Technical Staff Member - operations planning for local service
  The work involved representing AT&T in industry local number portability (LNP) forums. This included working with other telecommunications carriers to select vendors, define requirements and implementation plans for industry shared systems and databases to support LNP, and working with AT&T's internal operations teams to define AT&T's impacts due to LNP.
• AT&T Bell Labs: September 1991 to May 1995
  Member of Technical Staff - systems engineer for operations support systems
  The work included defining system and software requirements, prototyping graphical user interfaces, building performance models of systems and training users.

Teaching Experience

• Security Architecture and Engineering - Adjunst Assistant Professor, Fall, 2011
• Network Security, Columbia University - Adjunct Assistant Professor, Spring 2008, Spring 2011
• Introduction to Practical Cryptography, University of Crete, May, 2008.
• Internetworking & Higher Layer Protocols, NJIT - Adjunct Assistant Professor, Fall 2007
• Practical Cryptography, Columbia University - Adjunct Assistant Professor, Fall 2006
• Advanced Programming, Columbia University - Instructor, Summer 2005
• Advisor for undergraduate and M.S. students' research projects, Fall 2004, Summer 2005
• Network Security, Columbia University - Teaching Assistant, Fall 2002, Spring 2006
• Network Security, Columbia Video Network, Columbia University - Course Manager, Fall 2004, Spring 2006
• Introduction to Cryptography, Columbia University - Teaching Assistant, Fall 2003
• Introduction to Cryptography, Columbia Video Network, Columbia University - Course Manager, Summer 2002, Spring 2003, Fall 2003
• Advanced Topics in Security, Columbia University - Teaching Assistant, Spring 2003

Invited Talks and Tutorials

• "Overview of Applications in Cryptography", Foundation for Research and Technology - Hellas, May, 2008.
• "Secure Structures for Symmetric Key Ciphers and Their Applications" , George Mason University Computer Science Department, March, 2008.
• "Fundamentals of Symmetric Key Cryptography", tutorial, 10th Annual Information Security Conference (ISC), October, 2007.
• "Elastic Block Ciphers", Institute for Defense Analysis - Center for Computing Sciences, July 2007.
• "Elastic Block Ciphers" , University of Toronto Fields Institute, Workshop on Cryptography: Underlying Mathematics, Provability and Foundations, November, 2006.

Patents

• Call Setup Request Confirmation, Debra Cook and Gerry Kersus, US Patent number 7,450,563. Issued on 11/11/08.

Publications

Journal Articles

• "Elastic Block Ciphers: Method, Security and Instantiations"
  Debra L. Cook, Moti Yung and Angelos D. Keromytis. To appear in the International Journal of Information Security.
• "Phishwish: A Stateless Phishing Filter Using Minimal Rules"
  Debra L. Cook, Vijay Gurbani and Michael Daniluk. Journal of Security and Communication Networks, Volume 2, Issue 1, pages 29-43, 2009.
• "Conversion Functions for Symmetric Key Ciphers"
  Debra L. Cook and Angelos D. Keromytis. Journal of Information Insurance and Security, Issue 1, pages 119-128, 2006.
• "WebSOS: An Overlay-based System For Protecting Web Servers From Denial of Service Attacks"
  Angelos Stavrou, Debra L. Cook, William G. Morein, Angelos D. Keromytis, Vishal Misra, and Dan Rubenstein. Elsevier Journal of Computer Networks, Volume 48 (Issue 5), pages 781-807, August 2005.

Conference Proceedings

• "Constructing Variable-Length PRPs and SPRPs from Fixed-Length PRPs"
  Debra L. Cook, Moti Yung, and Angelos D. Keromytis. In the Proceedings of Inscrypt, LNCS 5487, pages 157-180, 2008.
• "Methods for Linear and Differential Cryptanalysis of Elastic Block Ciphers"
  Debra L. Cook, Moti Yung, and Angelos D. Keromytis. In the Proceedings of the 13th Annual Australasian Conference on Information Security and Privacy (ACISP), LNCS 5107, pages 187-202, July 2008.
• "Phishwish: A Stateless Phishing Filter Using Minimal Rules"
  Debra L. Cook, Vijay Gurbani and Michael Daniluk. In the Proceedings of Financial Crypto, January, 2008.
• "The Security of Elastic Block Ciphers Against Key-Recovery Attacks"
  Debra L. Cook, Moti Yung, and Angelos D. Keromytis. In the Proceedings of Information Security Conference (ISC), LNCS 4779, pages 89-103, October, 2007.
• "Elastic Block Ciphers in Practice: Constructions and Modes of Encryption"
  Debra L. Cook, Moti Yung, and Angelos D. Keromytis. In the Proceedings of the 3rd European Conference on Computer Network Defense (EC2ND), invited paper. October 2007.
• "A Case Study on Constructing a Security Event Management System"
  Vjiay Gurbani, Larry Menten, Tom Reddington and Debra L. Cook. In the Proceedings of the 3rd Annual IT-Incident Management & IT-Forensics Conference (IMF), September, 2007.
• "Elastic Block Ciphers: The Basic Design"
  Debra L. Cook, Moti Yung, and Angelos D. Keromytis. In the Proceedings of the 2nd ACM Symposium on Information, Computer and Communications Security (ASIACCS). March 2007.
• "Remotely Keyed CryptoGraphics - Secure Remote Display Access Using (Mostly) Untrusted Hardware"
  Debra L. Cook, Ricardo Baratto and Angelos D. Keromytis, In the Proceedings of ICICS, LNCS 3783, pages 363-375, December 2005.
• "Conversion and Proxy Functions for Symmetric Key Ciphers"
  Debra L. Cook and Angelos D. Keromytis. In the Proceedings of the IEEE International Conference on Information Technology: Coding and Computing (ITCC), Information Assurance and Security Track, pages 662-667, April 2005.
• "CryptoGraphics: Secret Key Cryptography Using Graphics Cards"
  Debra L. Cook, Angelos D. Keromytis, John Ioannidis and Jake Luck, In the Proceedings of the RSA Conference, Cryptographer's Track (CT-RSA), LNCS 3376, pages 334-350, February 2005.
• "Using Graphic Turing Tests to Counter Automated DDoS Attacks Against Web Servers"
  William G. Morein, Angelos Stavrou, Debra L. Cook, Angelos D. Keromytis, Vishal Misra, and Dan Rubenstein. In the Proceedings of the 10th ACM Conference on Computer and Communications Security (CCS), October 2003.
• "WebSOS: Protecting Web Servers From DDoS Attacks"
  Debra L. Cook, William G. Morein, Angelos D. Keromytis, Vishal Misra, and Daniel Rubenstein. In the Proceedings of the 11th IEEE International Conference on Networks (ICON), October 2003.

Books

• "Cryptographics: Exploiting Graphics Cards for Security"
  Debra L. Cook and Angelos D. Keromytis, Advancements in Information Security series, Springer, 2006.

Committees and Professional Service

• ACSA 2011 Program Committee
• Reviewer, Elsevier, Journal of Information Science 2010, 2011
• Reviewer, Journal of Internet Technology 2011
• Reviewer, Elsevier, Journal of Computer Communications 2010
• Editorial Board of Journal of Convergence (Security and Crytpography areas) 2010 to present
• Reviewer, Journal of Design, Codes and Cryptography 2010
• ACNS 2010 Program Committee
• ISPEC 2010 Program Committee
• ACM CCS 2009 Program Committee
• Grace Hopper New Investigators 2009 Program Committee
• Next Generation Security Workshop (WNGS) 2009 Program Committee
• WISA 2008-2011 Program Committees
• SECRYPT 2007, 2008, 2009 Program Committees
• Reviewer, IET Information Security Journal, 2008
• Reviewer, Elsevier Journal of Electronic Commerce Research and Applications, 2008
• Reviewer, IEEE Transactions on Dependable and Secure Computing, 2008
• ACNS 2008 Program Committee
• Information Security Conference (ISC) 2007, 2008 Program Committees
• Reviewer, Wiley, Journal of Security and Communications Networks 2008, 2010
• Reviewer, IEEE Transactions on Software Engineering Journal, 2007
• Conference on Information Security and Cryptology (Inscrypt) 2006 Program Committee
• Reviewer, Electronics and Telecommunications Research Institute (ETRI) Journal, 2006
• Referee, Elsevier Science International Journal of Computer Communications , September 2005 to present
• International Conference on Intelligence in Service Delivery Networks (ICIN) 2003, 2004 Program Committees
• Ph.D. Requirements Committee, Columbia University Department of Computer Science, September 2003 to May, 2006