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Single sign-on (SSO) is an authentication scheme that allows a user to log in with a single SSO ID to any of several related, yet independent, software systems. True single sign-on allows the user to log in once and access services without re-entering authentication factors.
Janrain Federate SSO: Janrain: Proprietary: Yes: Social and conventional user SSO JOSSO: JOSSO: Free Software: Open Source Single Sign-On Server Keycloak (Red Hat Single Sign-On) Red Hat: Open source: Yes: Federated SSO (LDAP and Active Directory), standard protocols (OpenID Connect, OAuth 2.0 and SAML 2.0) for Web, clustering and single sign on.
Federated identity is related to single sign-on (SSO), in which a user's single authentication ticket, or token, is trusted across multiple IT systems or even organizations. [ 2 ] [ 3 ] SSO is a subset of federated identity management, as it relates only to authentication and is understood on the level of technical interoperability, and it ...
Identity management (ID management) – or identity and access management (IAM) – is the organizational and technical processes for first registering and authorizing access rights in the configuration phase, and then in the operation phase for identifying, authenticating and controlling individuals or groups of people to have access to applications, systems or networks based on previously ...
The Central Authentication Service (CAS) is a single sign-on protocol for the web. [1] Its purpose is to permit a user to access multiple applications while providing their credentials (such as user ID and password) only once.
Single sign-on is relatively easy to accomplish within a security domain (using cookies, for example) but extending SSO across security domains is more difficult and resulted in the proliferation of non-interoperable proprietary technologies. The SAML Web Browser SSO profile was specified and standardized to promote interoperability. [2]
A single sign in creates the token which is then used to authenticate against multiple applications, or web sites. In addition, because certain facts (claims) are packaged with the token, the user does not have to tell each individual application those facts repeatedly, for instance by answering similar questions or completing similar forms.