WWW 2009 Security and Privacy track chair
OSDI 2008 PC
CCS 2008 PC
LEET 2008 PC
Web 2.0 Security and Privacy workshop 2008 PC
WWW 2008 Security and Privacy track deputy chair
HotSec 2007 program committee
Web 2.0 Security and Privacy workshop 2007 program committe
ACM SIGCOMM poster 2007 program committee
IEEE Security and Privacy Symposium 2007 program committee
HotMobile 2007 Publicity Chair
NDSS 2007 program committee
NSF proposal reviewer, spring 2006
HotMobile (WMCSA) 2006 Panelist
IAB Workshop on stopping unwanted traffic 2006 Panelist
SecureComm 2006 program committee
NOSSDAV 2006 program committee
IEEE Security and Privacy Symposium 2006 program committee
IEEE Infocom 2006 Program Committee
NSF Proposal Reviewer, Summer 2005
ACM Mobicom 2005 Program Committee
ICDCS 2005 Program Committee
IPTPS 2005 Program Committee
IEEE Infocom 2005 Program Committee
The Workshop on Rapid Malcode (WORM) 2004 Program Committee
IEEE Infocom 2004 Program Committee
IEEE MDM 2004 Finance Chair
ACM Mobicom WMASH 2003 Program Committee
ACM Mobicom 2003 Program Committee
Technical Advisors' Board
CCIED