> ## Documentation Index
> Fetch the complete documentation index at: https://infisical-devin-1781641701-docs-github-pat-fine-grained.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

> Learn the basics of ABAC for both users and machine identities.

Infisical's Attribute-based Access Controls (ABAC) enable dynamic, attribute-driven permissions for both users and machine identities. ABAC enforces fine-grained, context-aware access controls using metadata attributes—stored as key-value pairs—either attached to identities or provided during authentication.

<CardGroup cols={2}>
  <Card title="Users" icon="square-1" href="./managing-user-metadata">
    Manage user metadata manually or automatically via SAML logins.
  </Card>

  <Card title="Machine Identities" icon="square-2" href="./managing-machine-identity-attributes">
    Set metadata manually like users and access additional attributes provided during machine authentication (for example, OIDC claims).
  </Card>
</CardGroup>