Recently e-Commerce systems have undergone an accelerated development,bringing a new set of risks and issues to government. As a result of this trendprocesses, policies and practices of organisations have changed dramatically.However, current research into the organisational risks and security in e-Government from an Australian viewpoint continues to be limited.This thesis is concerned with improving our understanding IS Security in e-Government. Key e-Government security issues are identified through a literaturereview. The results of a review of recent literature, together with investigatoryinterviews with experts from NSW Government, are used to further refine issues,research questions and propose a model of activity theory within a fuzzy logicframework. The developed model was refined and used to analyse results from thecollected survey data, the results allow agencies to be classified by their progresstowards accreditation to AS/NZS17799.1:2001. These results were able to beexternally validated by another government agencies IS security survey. A seriesof surveys, forums, and interviews with government e-Commerce security officerswere used to further test and refine the model, as well as answer the researchquestions posed.This study was conducted over a period of three years and identified the key issuesin e-Government across a broad cross-section of NSW Government agencies. Theresults provide, a significant contribution to theory, especially for IS securitymanagers through a more detailed understanding of the perceptions ofpractitioners. This research improves the level of understanding of IS security withinthe domain of e-Commerce risks and security within NSW Government by groupingagencies into meaningful categories, documenting successful practices by ISsecurity managers, identifying drivers and inhibitors to IS security, determining thestatus of IS security across the NSW Government and monitoring the progress ofagencies towards accreditation to AS/NZS177999:2001.
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