[[security]]
== Security Plugins

Security plugins add a security layer to  Elasticsearch.

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=== Core security plugins

The core security plugins are:

link:/products/x-pack/security[X-Pack]::

X-Pack is the Elastic product that makes it easy for anyone to add
enterprise-grade security to their Elastic Stack. Designed to address the
growing security needs of thousands of enterprises using the Elastic Stack
today, X-Pack provides peace of mind when it comes to protecting your data.

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=== Community contributed security plugins

The following plugins have been contributed by our community:

* https://github.com/codecentric/elasticsearch-shield-kerberos-realm[Kerberos/SPNEGO Realm]:
  Custom Shield realm to Authenticate HTTP and Transport requests via Kerberos/SPNEGO (by codecentric AG)

* https://github.com/sscarduzio/elasticsearch-readonlyrest-plugin[Readonly REST]:
  High performance access control for Elasticsearch native REST API (by Simone Scarduzio)
