Cloud

H-RBAC: A Hierarchical Access Control Model for SaaS Systems

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Executive Summary

SaaS is a new way to deploy software as a hosted service and accessed over the Internet which means the customers don't need to maintain the software code and data on their own servers. So it's more important for SaaS systems to take security issues into account. Access control is a security mechanism that enables an authority to access to certain restricted areas and resources according to the permissions assigned to a user. Several access models have been proposed to realize the access control of single instance systems.

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