You can install the component in many different ways:

* Use the official Git repository (https://github.com/symfony/Security);

*:doc:`Install it via Composer</components/using_components>` (``symfony/security`` on`Packagist`_).

*:doc:`Install it via Composer</components/using_components>` (`symfony/security`_ on Packagist).

Sections

*:doc:`/components/security/firewall`

*:doc:`/components/security/authentication`

*:doc:`/components/security/authorization`

.. _symfony/security:https://packagist.org/packages/symfony/security