Definition: The abbreviation SSO stands for Single Sign On. It’s an information security technique that relates to access control. Many organizations have multiple information infrastructure resources. There is a need for some employees to be able to log on to each of the systems. A single sign on mechanism can grant access across the organization with one authentication. In effect, single sign on is centralized authentication.

Single Sign On, Security

Its Relevance: Single Sign On is a technology that has advantages and disadvantages. Among the negatives is increased management overhead. It simply takes more effort to manage a centrally controlled system. Each access attempt must be “resolved” with a type of authentication server. An advantage is that users only need one password. If the technique is used, the details must be included in the organization’s information security policies.

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