What is single sign-on (SSO)? - Definition from Whatis.com

Definition

single sign-on (SSO)

Single sign-on (SSO)is a session/user authentication process that permits a user to enter one name and password in order to access multiple applications. The process authenticates the user for all the applications they have been given rights to and eliminates further prompts when they switch applications during a particular session.

Contributor(s): Chris Waynforth
This was last updated in July 2006

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