[[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/shield[Shield]::

Shield is the Elastic product that makes it easy for anyone to add
enterprise-grade security to their ELK stack. Designed to address the growing security
needs of thousands of enterprises using ELK today, Shield 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)

