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Nowadays, e-healthcare is a main advancement and upcoming technology in healthcare industry that contributes to setting up automated and efficient healthcare infrastructures. Unfortunately, several security aspects remain as main challenges towards secure and privacy-preserving e-healthcare systems. From the access control perspective, e-healthcare systems face several issues due to the necessity...
The considerable increase of the risk associated to inner threats has motivated researches in risk assessment for access control systems. Two main approaches were adapted: (i) a risk mitigation approach via features such as constraints, and (ii) a risk quantification approach that manages access based on a quantified risk. Evaluating the risk associated to the evolutions of an access control policy...
Our research works are in the context of the integrity verification and optimization of access control policies in relational database management systems (RDBMSs). Indeed, resources in charge of administrating access control policies, like DBMSs, can easily permit the following malfunctions. (1) The record of illegal updates leading to a non-compliance of the policy regarding its original specification...
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