Proceedings of the First IEEE International Conference on Edge Computing

Semantically Rich, Oblivious Access Control Using ABAC for Secure Cloud Storage

Maithilee P Joshi, Sudip Mittal, Karuna Pande Joshi, and Tim Finin

June 30, 2017

Securing their critical documents on the cloud from data threats is a major challenge faced by organizations today. Controlling and limiting access to such documents requires a robust and trustworthy access control mechanism. In this paper, we propose a semantically rich access control system that employs an access broker module to evaluate access decisions based on rules generated using the organizations confidentiality policies. The proposed system analyzes the multi-valued attributes of the user making the request and the requested document that is stored on a cloud service platform, before making an access decision. Furthermore, our system guarantees an end-to-end oblivious data transaction between the organization and the cloud service provider using oblivious storage techniques. Thus, an organization can use our system to secure their documents as well as obscure their access pattern details from an untrusted cloud service provider.

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Type: InProceedings

Publisher: IEEE Computer Society

Downloads: 1718 downloads