---
title: "Security database"
slug: "security-database"
abstract: "Overview of Sitecore Security database supported infrastructure, references, and privacy and security."
---
# Security database

The Security database was introduced in 9.1 and contains all tables related to membership. [Sitecore supplies a script](https://dev.sitecore.net/Downloads/Sitecore_Experience_Platform/91/Sitecore_Experience_Platform_91_Update1.aspx) for separating the Security database away from the Core database.

<details>
<summary><h2>Supported infrastructure</h2></summary>

You can host the Security database on:

- SQL Server
- SQL Azure

Refer to the [Sitecore compatibility table](https://kb.sitecore.net/articles/087164) for compatible versions.

</details>

<details>
<summary><h2>Reference structure</h2></summary>

The Security database has its place in the Sitecore reference structure. It can be referenced by other roles, and it can also reference other roles.

### Referenced by

The Security database is referenced by the following roles:

- [Content Management](https://doc.sitecore.com/xp/en/developers/100/platform-administration-and-architecture/content-management--cm-.html "Content Management (CM)")
- [Content Delivery](https://doc.sitecore.com/xp/en/developers/100/platform-administration-and-architecture/content-delivery--cd-.html "Content Delivery (CD)") (optional)
- [EXM Dispatch](https://doc.sitecore.com/xp/en/developers/100/platform-administration-and-architecture/exm-dispatch.html "EXM Dispatch")
- [Sitecore Identity Server](https://doc.sitecore.com/xp/en/developers/100/platform-administration-and-architecture/sitecore-identity-server.html "Sitecore Identity Server")

### References

The Security database does not reference other roles.

</details>

<details>
<summary><h2>Privacy and security</h2></summary>

The Security database handles personal data in the following ways:

- It stores ASP.NET membership details, including usernames, passwords, and custom user profile data.

</details>