---
title: Authentication and SSO
description: These topics cover concepts, implementation procedures, and customization techniques for working with the authentication and single sign-on (SSO) features of PingAM.
component: pingam
version: 8.1
page_id: pingam:am-authentication:preface
canonical_url: https://docs.pingidentity.com/pingam/8.1/am-authentication/preface.html
keywords: ["Authentication", "Single Sign-on (SSO)"]
page_aliases: ["index.adoc", "authentication-guide:preface.adoc"]
---

# Authentication and SSO

These topics cover concepts, implementation procedures, and customization techniques for working with the authentication and single sign-on (SSO) features of PingAM.

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#### [Configure AM for authentication](authn-implementation-authn.html)

Learn about AM's authentication mechanisms.

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#### [Nodes and trees](auth-nodes-and-journeys.html)

Learn about nodes and trees, which are used to create authentication journeys.

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#### [Multi-factor authentication](authn-mfa.html)

Require that users provide multiple forms of identification when logging in to services.

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#### [Single sign-on](about-sso.html)

Enable single sign-on (SSO) so that users can log in once with a single set of credentials.

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#### [Social authentication](social-registration.html)

Allow users to authenticate to your services by using third-party identity providers.

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#### [RADIUS authentication](radius-authentication.html)

Learn how AM supports the RADIUS protocol to provide RADIUS authentication.