Robust Key Generation from Signal Envelopes in Wireless Networks. with B. Azimi-Sadjadi, A. Kiayias , A. Mercado. to appear in 14'th ACM Conference on Computer and Communications Security (CCS) 2007.

Modeling and Detection of Complex Attacks. with S. A. Camtepe, to appear in IEEE SECURECOMM 2007.

A Combinatorial Approach to Measuring Anonymity. with M. Edman and F. Sivrikaya, in IEEE Symposium on Intelligence and Security Informatics (ISI) 2007.

Expander Graph based Key Distribution Mechanisms in Wireless Sensor Networks. with S.A. Camtepe and M. Yung, in IEEE International Conference on Communications (ICC) 2006.

Combinatorial Design of Key Distribution Mechanisms for Wireless Sensor Networks. with S. A. Camtepe. in IEEE/ACM Transactions on Networking, 15(2):346-358, April 2007. (preliminary version: in Samarati et al (eds.) Computer Security- ESORICS, Springer-Verlag, LNCS 3193, 2004, pp 293-308).

Collective Sampling and Analysis of High Order Tensors for Chatroom Communications. with E. Acar and S. A. Camtepe. in IEEE Symposium on Intelligence and Security Informatics (ISI'06) May 2006.

Modeling and Multiway Analysis of Chatroom Tensors. with E. Acar and S. A. Camtepe. in IEEE Symposium on Intelligence and Security Informatics (ISI'05) May 2005.

Studying E-mail Graphs for Intelligence Monitoring and Analysis in the Absence of Semantic Information. with P. Drineas, M. Krishnamoorthy and M. D. Sofka. in Symposium on Intelligence and Security Informatics (ISI'04) June 2004. 

A Tool for Internet Chatroom Surveillance. with S. A. Camtepe and M. Krishnamoorthy. In Symposium on Intelligence and Security Informatics (ISI'04) June 2004.

Stealth Attacks on Ad-hoc Wireless Networks. with M. Jakobsson and S. Wetzel. in Proc. of Vehicular Technology Conference, 2003.

Internet Security. in Encyclopedia of Telecommunications, Vol 2, pp1151-1157, John Wiley and Sons, 2002.