My research is focused on the following areas:

• Large Systems Security & Survivability
  
• Intrusion Detection Systems
  
• Privacy and Anonymity
• Security for MANETs and Mobile Devices
  

Teaching:

    Spring 2010: ISA 673, Operating Systems' Security

Recent Publications:

• Evaluating a Collaborative Defense Architecture for MANETs
  Mansoor Alicherry, Angelos Stavrou, and Angelos D. Keromytis.
  In Proceedings (electronic) of the IEEE Workshop on Collaborative Security Technologies
  (CoSec),pp. 37 - 42. December 2009, Bangalore, India. (Acceptance rate: 17.2%).
  
  
• Keep your friends close: the necessity for updating an anomaly sensor with legitimate environment changes.
  Angelos Stavrou, Gabriela F. Cretu, Michael E. Locasto, Salvatore J. Stolfo.
  In Proceedings of the 2nd ACM Workshop on Security and Artificial intelligence (Chicago, Illinois, USA, November 09 - 09, 2009). AISec '09. ACM, New York, NY, 39-46. (Position paper)
  
  
• The Dynamic Community of Interest and its Realization in ZODIAC
  Scott Alexander, Steve Bellovin, Yuu-Heng Cheng, Brian Coan, Andrei Ghetie, Vikram Kaul, Nicholas F. Maxemchuk, Henning Schulzrinne, Stephen Schwab, Bruce Siegell, Angelos Stavrou, and Jonathan M. Smith. IEEE Communications. Magazine, October 2009, pp. 40-47.
  
  
• On the Infeasibility of Modeling Polymorphic Shellcode: Re-thinking the Role of Learning in Intrusion Detection Systems
  Yingbo Song, Michael E. Locasto, Angelos Stavrou, Angelos D. Keromytis, and Salvatore J. Stolfo. In the proceedings of Machine Learning Journal (MLJ).Accepted: 7 August 2009, Published online: 29 October 2009. Editors: Pavel Laskov and Richard Lippmann.
  
  
• Privacy preservation over untrusted mobile networks
  Claudio A. Ardagna, Sushil Jajodia, Pierangela Samarati, Angelos Stavrou in Privacy in Location-Based Applications: Research Issues and Emerging Trends, Springer Lecture Notes in Computer Science, Volume 5599, 2009, pages 84-105.
  
  
• The Heisenberg Measuring Uncertainty in Lightweight Virtualization Testbeds
  Quan Jia, Zhaohui Wang and Angelos Stavrou.
  To appear in the proceedings 2nd Workshop on Cyber Security Experimentation and Test
  (CSET '09). August, 2009, Montreal, Canada.
  
  
• Deny-by-Default Distributed Security Policy Enforcement in Mobile Ad Hoc Networks (short)
  Mansoor Alicherry, Angelos D. Keromytis, and Angelos Stavrou.
  In the Proceedings of the 5th International ICST Conference on Security and Privacy in Communication Networks. September 2009, Athens, Greece.
  
  
• Adding Trust to P2P Distribution of Paid Content
  Alex Sherman, Angelos Stavrou, Jason Nieh, Angelos D. Keromytis, and Clifford Stein.
  To appear in the Proceedings of the 12th Information Security Conference (ISC). September 2009, Pisa, Italy. (Acceptance rate: 27.6%)
  
  
• A2M: Access-Assured Mobile Desktop Computing
  Angelos Stavrou, Ricardo A. Baratto, Angelos D. Keromytis, and Jason Nieh.
  To appear in the Proceedings of the 12th Information Security Conference (ISC). September 2009, Pisa, Italy. (Acceptance rate: 27.6%)
  
  
• Adaptive Anomaly Detection via Self-Calibration and Dynamic Updating
  Gabriela F. Cretu, Angelos Stavrou, Michael E. Locasto, Salvatore J. Stolfo.
  To appear in the 12th International Symposium On Recent Advances In Intrusion Detection,
  Saint-Malo, Brittany, France, September 23-25, 2009.
  
  
• SQLProb: A Proxy-based Architecture towards Preventing SQL Injection Attacks
  Anyi Liu, Yi Yuan, Duminda Wijesekera, and Angelos Stavrou.
  To appear in the 24th Annual ACM Symposium on Applied Computing (SAC'09),
  March 8-12, 2009, Honolulu, Hawaii.(Acceptance Rate: 16.6%)
  
  
• A Security Architecture for Information Assurance and Availability in MANETs
  Angelos Stavrou, and Anup K. Ghosh.
  In the proceedings of IEEE Conference on Military Communications (MILCOM '08), November 2008, San Diego, CA.
  
  
• Universal Multi-Factor Authentication Using Graphical Passwords
  Alireza Pirayesh Sabzevar, and Angelos Stavrou.
  In the proceedings of the 2nd IEEE/ACM Workshop on Security and Privacy in Telecommunications and Information Systems (SePTIS). December 2008, Bali, Indonesia.
  
  
• Identifying Proxy Nodes in a Tor Anonymization Circuit
  Sambuddho Chakravarty, Angelos Stavrou, and Angelos D. Keromytis.
  In the proceedings of the 2nd IEEE/ACM Workshop on Security and Privacy in Telecommunications and Information Systems (SePTIS). December 2008, Bali, Indonesia.
  
  
• A multi-path approach for k-anonymity in mobile hybrid networks
  Claudio Agostino Ardagna, Angelos Stavrou, Sushil Jajodia, Pierangela Samarati and Rhandi Martin.
  In the proceedings of the International Workshop on Privacy in Location-Based Applications (PiLBA '08),
  October 2008, Malaga, Spain.
  
  
• Efficiently Tracking Application Interactions using Lightweight Virtualization
  Yih Huang, Angelos Stavrou, Anup K. Ghosh and Sushil Jajodia.
  In the proceedings of the 1st Workshop on Virtualization Security (VMSec), in conjunction
  with ACM CCS 2008, October 2008.
  
  
• Return Value Predictability for Self-Healing
  Michael E. Locasto, Angelos Stavrou, Gabriela F. Cretu, Angelos D. Keromytis, and Salvatore J. Stolfo.
  In the Proceedings of the 3rd International Workshop on Security (IWSEC), November 2008, Kagawa, Japan.
  
  
• PAR: Payment for Anonymous Routing
  Elli Androulaki, Mariana Raykova, Shreyas Srivatsan, Angelos Stavrou, and Steven M. Bellovin.
  In the proceedings of the 8th Privacy Enhancing Technologies Symposium, Leuven, Belgium July 23 - July 25, 2008.
  
  
• The Hidden Difficulties of Watching and Rebuilding Networks
  Michael Locasto and Angelos Stavrou.
  IEEE Security and Privacy, vol. 6, no. 2, pp. 79-82, Mar/Apr, 2008.
  
  
• Casting out Demons: Sanitizing Training Data for Anomaly Sensors
  Gabriela F. Cretu, Angelos Stavrou, Michael E. Locasto, Salvatore J. Stolfo, and Angelos D. Keromytis.
  In the Proceedings of the IEEE Symposium on Security & Privacy. May 2008, Oakland, CA. (Acceptance Rate: 11.2%)
  
  

Recent Professional Activities:

    Program Organization:

    Student Travel Grant Chair, ACM Conference on Computer and Communications Security (CCS), 2009, 2010
    Program co-Chair, Workshop on Cyber Security Experimentation and Test (CSET): 2009
    Program co-Chair, 1st Workshop on Virtual Machine Security (VMSec): 2008, 2009

    Program Committee Member (recent):

    IEEE Symposium on Security and Privacy (IEEE S&P): 2010
    25th ACM Symposium On Applied Computing (SAC): 2010
    Financial Cryptography and Data Security: 2010
    5th ACM Int'l Conference on emerging Networking EXperiments and Technologies:2009
    ACM Conference on Computer and Communications Security (CCS): 2009
    USENIX Security Symposium: 2007, 2008, 2009
    International ICST Conference on Security and Privacy in Communication Networks SecureComm, 2009
    Network and Distributed System Security Symposium (NDSS): 2009, 2010
    Int’l Conference on Distributed Computing Systems (ICDCS): 2009, 2010
    European Workshop on System Security (EUROSEC): 2008, 2009

Thesis:

    "An Overlay Architecture for End-to-End Service Availability" (awarded with distinction)[Slides]