> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Atoti Security: Authorization and Entitlements

Entitlements can be retrieved from any existing source: directories, databases, XML configuration, or a legacy application. Beyond the query engine, the same Spring Security setup can also protect custom services, administration consoles, and batch entry points.

<Frame>
  <img src="https://mintcdn.com/activeviam/KszPZqdDnmT6EpJc/engine/java-sdk/6.1/assets/security/authorization.png?fit=max&auto=format&n=KszPZqdDnmT6EpJc&q=85&s=c448c94b5914ed865798712a14ebfb3e" alt="Authorization_flow" width="701" height="391" data-path="engine/java-sdk/6.1/assets/security/authorization.png" />
</Frame>