Secure access control is a key technology to protect cloud data from unauthorized access and achieve safe sharing of user data. On the basis of introducing traditional access control models, this paper analyzed the problems and summarized the main research status of access control in cloud computing environment. Then we proposed a multi-tenant access control method based on environmental attributes and security labels. Experimental results show that the proposed method can achieve fine-grained access control and more flexible access control granularity.

A Multi-Tenant Access Control Method Based on Environmental Attributes and Security Labels

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A Multi-Tenant Access Control Method Based on Environmental Attributes and Security Labels