> For the complete documentation index, see [llms.txt](https://documentation.proto.cx/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.proto.cx/docs/getting-started/data-privacy.md).

# Data privacy

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See [Proto's Security page](https://www.proto.cx/security) for global security certifications, security partners, and security features and best practices.
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Within Proto, the following data privacy and security options are configurable.

***

## SSO login

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Requires workspace members to sign in to Proto through Google or Microsoft's direct authentication methods rather than a Proto password.

See [Signing in — Sign-in methods](/docs/getting-started/signing-in.md#sign-in-methods).
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## Custom roles & permissions

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Establishes unique user roles with detailed permissions to enhance security and operational efficiency.

See [Roles & permissions](/docs/settings/general/roles-and-permissions.md).
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## IP allowlist

{% hint style="info" %}
Restricts workspace access to specific IP address ranges. Any IP not on the list is blocked from signing in.

See [IP allowlist](/docs/settings/general/ip-allowlist.md).
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## API account access

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Programmatic access to your Proto account's data, functionality, and resources via the developer API.

See [APIs](/docs/developers/apis.md).
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## On-premise & hybrid hosting

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Self-host some or all of your Proto deployment and its data, keeping it within your own infrastructure.

See [On-premise & hybrid hosting](/docs/developers/on-premise-and-hybrid-hosting.md).
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