The 42^nd Hawaii International Conference on System Sciences (HICSS) is held 5-8 January 2009 in Hawaii (Big Island), USA. HICSS is a scientific conference which offers a unique, highly interactive and professionally challenging environment in a multidisciplinary conference context. The track Electronic Government covers mini-tracks on Development Methods for eGovernment, eParticipation and eCitizenship, Emerging Topics in eGovernment, eGovernment Information Security, eGovernment Infrastructure and Interoperability, eGovernment Organization & Management, eGovernment Service and Information, ePolicy, eGovernance, and Trustworthy eGovernment Systems.