---
mapped_pages:
  - https://www.elastic.co/guide/en/elasticsearch/plugins/current/authentication.html
applies_to:
  stack: ga 9.1
---

# Authentication plugins [authentication]

Authentication plugins extend the functionality provided by the built-in [authentication realms](docs-content://deploy-manage/users-roles/cluster-or-deployment-auth/authentication-realms.md).

## Core authentication plugins

[Microsoft Graph Authz](/reference/elasticsearch-plugins/ms-graph-authz.md)
:   The Microsoft Graph Authz plugin uses [Microsoft Graph](https://learn.microsoft.com/en-us/graph/api/user-list-memberof) to look up group membership information from Microsoft Entra ID