From the course: Web Security: User Authentication and Access Control

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Single sign-on services

Single sign-on services

- [Instructor] In this movie, we'll discuss single sign-on services, and the role that they play in authentication and access control. A single sign-on service is when a user logs into one system with one set of credentials and is able to access other separate, but related systems too. Google Services are a great example. When you log into Google, you can access Gmail, YouTube and Google Documents without having to re-authenticate yourself each time. These are separate services, running on separate servers, with different databases, but Google owns all of them and maintains your identity across them. When you visit a new server, it asks the main Google Services if you've been authenticated already. There are benefits to single sign-on services. The user can move between systems without re-authenticating and that saves time and provides a better user experience. The user has fewer passwords to manage and to remember. In…

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