Basically cloud service provider (CSP) give facility to access Software as a service (SaaS) applications hosted in public cloud to end users of particular organization, but to gain access to multiple application hosted in cloud environment will increase the risk of eavesdropping by entering sensitive data like username and password multiple times for each hosted application. Also cloud user need to remember the username and password. Now, somehow if we forget our credential, we have to remember specific details like security questions. This paper is describing how to insure against the risk of supporting a business model where there is a strong likelihood of a third party risk by proposing federation model with the use of claims based identity where we are providing one user credential, i.e., username and password and that will be sufficient to access all cloud oriented application.
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