Recent Publications

"Securely Computing an Approximate Median in Wireless Sensor Networks," with Sankardas Roy, Mauro Conti and Sushil Jajodia, in Proc. of 4th Intl. Conf. on Security & Privacy in Communication Networks (SecureComm 2008), Istanbul, September 2008.[pdf]
"CORD: Energy-efficient Reliable Bulk Data Dissemination in Wireless Sensor Networks," with Leijun Huang, in Proc. of IEEE INFOCOM 2008, Phoenix, April 2008.[pdf]
"Secure Data Aggregation in Wireless Sensor Networks," chapter in Wireless Sensor Networks Security, J. Lopez and J. Zhou (ed.), IOS Press, 2008. [pdf]

"Efficient Distributed Detection of Node Replication Attacks in Sensor Networks," with Bo Zhu, Gopala Addada, Sushil Jajodia and Sankardas Roy, in Proc. of 23rd Annual Computer Security Applications Conference (ACSAC 2007), December 2007.[pdf]
"Interleaved hop-by-hop authentication against false data injection attacks in sensor networks," in ACM Transactions on Sensor Networks, August 2007. Revised and extended version of IEEE S&P (Oakland) 2004 paper.[pdf]
"Efficient Security Mechanisms for Overlay Multicast-based Content Distribution," with Sencun Zhu, Chao Yao, Donggang Liu and Sushil Jajodia, in Computer Communications, February 2007. Extended version of ACNS 2005 paper.[pdf]

"LEAP+: Efficient Security Mechanisms for Large-Scale Distributed Sensor Networks," with Sencun Zhu and Sushil Jajodia, in ACM Transactions on Sensor Networks, November 2006. Revised and extended version of ACM CCS 2003 paper. [pdf]
"Providing Witness Anonymity in Peer-to-Peer Systems," with Bo Zhu and Sushil Jajodia, in Proc. of ACM Conf. on Computer & Communications Security (CCS 2006), November 2006.[pdf]
"Attack-resilient Hierarchical Data Aggregation in Sensor Networks," with Sankardas Roy and Sushil Jajodia, in Proc. of ACM Workshop on Security of Sensor & Ad hoc Networks (SASN '06), November 2006.[pdf]
"GKMPAN: An Efficient Group Rekeying Scheme for Secure Multicast in Ad-Hoc Networks," with Sencun Zhu, Shouhuai Xu, and Sushil Jajodia, in Journal of Computer Security. Revised and extended version of Mobiquitous 2004 paper. [pdf]
"LHAP: A Lightweight Hop-by-Hop Authentication Protocol For Ad-Hoc Networks," with Sencun Zhu, Shouhuai Xu and Sushil Jajodia, in Ad hoc Networks Journal (Elsevier). Revised version of MWN 2003 paper. [pdf]

"Using Multiple Communication Channels for Efficient Data Dissemination in Wireless Sensor Networks," with Robert Simon, Leijun Huang, and Emerson Farrugia, in Proc. of 2nd IEEE Intl. Conference on Mobile Ad-hoc and Sensor Networks (MASS 05), Washington DC, November 2005. [pdf]
"Securing MAODV: Attacks & Countermeasures," with Shankardas Roy, V. Gopal Addada, and Sushil Jajodia, in Proc. of 2nd IEEE Communications Society Conference on Sensor and Ad hoc Communications & Networks (SECON 05), Santa Clara (CA), September 2005. [pdf]
"Securing Topology Maintenance Protocols for Sensor Networks: Attacks & Countermeasures," with Andrea Gabrieli, Luigi Mancini, and Sushil Jajodia, in Proc. of First IEEE/Createnet Conference on Security and Privacy for Emerging Areas in Communication Networks (SecureComm 2005), Athens (Greece), September 2005. [pdf]
"Efficient Security Mechanisms for Overlay Multicast-based Content Distribution," with Sencun Zhu, Chao Yao, Dongang Liu, and Sushil Jajodia, in Proc. of Intl. Conf on Applied Cryptography and Network Security (ACNS 2005) , New York, June, 2005. [pdf]

"GKMPAN: An Efficient Group Rekeying Scheme for Secure Multicast in Ad-Hoc Networks," with Sencun Zhu, Shouhuai Xu, and Sushil Jajodia, in Proc. of the 1st ACM International Conference on Mobile and Ubiquitous Systems (Mobiquitous '04), Boston, Massachusetts, August 22-25, 2004.[pdf]
"An Interleaved Hop-by-Hop Authentication Scheme for Filtering of Injected False Data in Sensor Networks," with Sencun Zhu, Sushil Jajodia, and Peng Ning, in Proc. IEEE Symposium on Security and Privacy, Oakland, California, May 2004. [pdf]

"Establishing Pair-wise Keys For Secure Communication in Ad Hoc Networks: A Probabilistic Approach," with Sencun Zhu, Shouhoui Xu, and Sushil Jajodia, in Proc of the 11th IEEE International Conference on Network Protocols (ICNP '03), Atlanta, Georgia, November 4-7, 2003 [pdf]
"LEAP: Efficient Security Mechanisms for Large-Scale Sensor Networks," in Proc of the 10th ACM Conference on Computer and Communications Security (CCS '03), Washington D.C., October, 2003.[pdf]
"Adding Reliable and Self-Healing Key Distribution to the Subset Difference Group Rekeying Method for Secure Multicast," with Sencun Zhu and Sushil Jajodia, in Proc. of Networked Group Communications (NGC 2003), Munich, Germany, Sep. 2003. [pdf]
"Performance Optimizations for Group Key Management Schemes for Secure Multicast," with Sencun Zhu and Sushil Jajodia, in Proc.of the 23rd IEEE International Conference on Distributed Computing Systems (ICDCS 2003), May 2003. [pdf]
"LHAP: A Lightweight Hop-by-Hop Authentication Protocol For Ad-Hoc Networks," with Sencun Zhu, Shouhoui Xu, and Sushil Jajodia, in Proc. of the Intl. Workshop on Mobile and Wireless Networks (MWN 2003), May 2003 [pdf]

"A Comparative Performance Analysis of Reliable Group Rekey Transport Protocols for Secure Multicast," with Sencun Zhu and Sushil Jajodia, in Performance Evaluation, special issue on the Proceedings of Performance 2002, Rome, Italy, Sept 2002.
- Extended version Technical Report, GMU, August 2002. PDF
"A Scalable and Reliable Key Distribution Protcol for Multicast Group Rekeying," with Sencun Zhu and Sushil Jajodia, Technical Report, GMU, January 2002. PDF
"Kronos: A Scalable Group Re-keying Approach for Secure Multicast," with Samir Koussih and Sushil Jajodia, in IEEE Symposium on Security and Privacy, Oakland CA, May 2000. PDF
"DyRecT: Software Support for Adaptive Parallelism on NOWs," with Etienne Godard and Elizabeth White, in Proc. of IPDPS Workshop on Runtime Systems for Parallel Programming, Cancun Mexico, May 2000. (gzipped PS)
"Dodo: A User-level System for Exploiting Idle Memory in Workstation Clusters," with Samir Koussih and Anurag Acharya, in HPDC '99, August 1999. PDF
``Availability and Utility of Idle Memory in Clusters of Workstations,'' with Anurag Acharya, in ACM SIGMETRICS '99, May 1999. PDF
"The Impact of Job Memory Requirements on Gang-Scheduling Performance," with Mark Squillante and Vijay Naik, in Performance Evaluation Review, March 1999. PDF