X-Pack security enables you to easily secure a cluster. With security, you can password-protect your data as well as implement more advanced security measures such as encrypting communications, role-based access control, IP filtering, and auditing. For more information, see Securing Elasticsearch and Kibana.
For information about configuring security in Kibana, see Kibana and Security.
You can create and manage users on the Management / Security / Users page. You can also change their passwords and roles. For more information about authentication and built-in users, see Setting Up User Authentication.
You can manage roles on the Management / Security / Roles page. For more information, see Configuring Role-based Access Control.