Research on Access Control Techniques in SaaS of Cloud Computing

Where the flexibility of Cloud Computing provides number of usage possibilities to the organizations, the security threats stop them in fully relying on it. Among all security threats, 'Unauthorized Access Threat' is one of the most important and difficult to manage. In SaaS, access control issues are of foremost concern. The aim of this paper is to explore the current trends that cloud providers are following in implementing access control measures in SaaS. In this article, a critical review of these measures is done and their advantages and drawbacks are discussed. On the basis of ongoing research, future research directions in the area of SaaS access control are also identified.