How SAML 2.0 Authentication Works and Why It Matters

4 years ago dzone.com

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SAML is frequently used to implement internal corporate single sign-on (SSO) solutions where the user logs into a service that acts as the single source of identity which then grants access to a subset of other internal services.

An Identity Provider, frequently abbreviated as IdP, is the service that serves as the source of identity information and authentication decision.

In other words, assertions define what identity information about the principal is communicated from an identity provider to a service provider. To illustrate how SAML Login works, we are going to use Teleport as an example of a service provider and Auth0 for an identity provider.

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