Co-PI, "Quality of Information-Aware Networks for Tactical Applications (QUANTA)", ARL CTA Communications and Networking Academic Research Center (with T. Laporta, et al.), 2009-2014.

Co-PI, "Protecting Children's Online Privacy: a Value Sensitive Design Investigation," Children, Youth and Family Consortium, Penn State University (with H. Xu and D. Perkins), 2009-2010, $12,094.

PI, "CAREER: Combating Worm Propagation in Emergent Networks," NSF/CNS, 2007- 2012, $400,000.

Co-PI, "Toolkits for Blocking Remote Code Execution Attacks," TTC (with P. Liu, T. Diclemente), 2007-2008, $187,500.

PI, "A Framework for Defending against Node Compromises in Distributed Sensor Networks," NSF CyberTrust (with G.Cao), 2005-2008, $450,000.

PI, "Security and Privacy Solutions for Data-Centric Sensor Networks," NSF CyberTrust (with G. Cao), 2006-2008, $200,000.

PI, "Distributed Self-healing Mechanisms for Securing Sensor Networks," Army Research Office (with G. Cao, P. Liu), 2005-2008, $280,000.

Co-PI, "DOD IA Scholarship Program at Penn State/Institutional Capacity Building at Penn State,"  NSA (with C.-H. Chu,  P. Liu, P. Mitra), 2005-2006, $219,600.