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Single Sign On (SSO) means that when a user logs in to one application they will be “automatically” signed in to every other application, regardless of the platform, technology and domain.

For example, Google implements SSO for their products: Gmail, YouTube, Analytics, etc. When you turn on your computer and access Gmail, you login for the first time. Then, if you go to YouTube you won’t be prompted for credentials again.

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Single Sign On (SSO)