Nafise Fareghzadeh - Computer Engineering Department, Islamic Azad University, Khodabandeh Branch, Zanjan, Iran
Mir Ali Seyyedi - Computer Engineering Department, Science and Research Branch, Islamic Azad University, Tehran, Iran
Gholamreza Vatanian - Computer Engineering Department, Islamic Azad University, Khodabandeh Branch, Zanjan, Iran

E-citizen security in e-government is considered one of the crucial factors for achieving an advanced stage of egovernment. As the number of e-government services introduced to the user increases, a higher level of e- overnment security is required. There are huge number of security standards and approaches. But at present, there is still a lack of a comprehensive approaches which offers a methodological development in the construction of secure WS-based security infrastructure in e-government. Thus, the main objective of this paper is to address this needs, presenting a comprehensive approach for Web Services based e-citizen Security warranty in the e-government. These facilitate, respectively, the definition and analysis of WS-specific security requirements, the development of a WS- ased security architecture for e-citizen in e-government and the identification of the related WS security standards that the security architecture must articulate in orderto implement the best security services. This is an issue which has not yet been widely addressed in the open literature.

E-government, Trust, Security Policy, E-Citizen, Kernel