Auditing Single Sign-On

In this article we will identify security risks in Single Sign-On (SSO) at implementation and application levels. Later we will design a threat profile which can be used as a benchmark in security audits.

Organizations usually deploy multiple simplified applications instead of a single complex application. It considerably reduces the complexity of business process and also helps in implementing strong access control. But with increasing number of applications, authentication and user information management has become a nightmare. Hence Single Sign-On (SSO) technology has emerged as a solution to this problem. As the term suggests, there is a single sign-on for all the applications in the organization.

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