# Document history
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The following table describes significant changes to this guide. If you want to be notified about future updates, you can subscribe to an [RSS feed](https://docs.aws.amazon.com/prescriptive-guidance/latest/security-controls-by-caf-capability/security-controls-by-caf-capability.rss).

| Change | Description | Date | 
| --- |--- |--- |
| [MFA for root user](#doc-history) | We updated the recommendations and provided more information in the [MFA for the root user](https://docs.aws.amazon.com/prescriptive-guidance/latest/security-controls-by-caf-capability/identity-and-access-controls.html#root-user-mfa) section. | November 9, 2023 | 
| [Initial publication](#doc-history) | — | October 27, 2023 |