> For the complete documentation index, see [llms.txt](https://mamawhocode.gitbook.io/aws/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mamawhocode.gitbook.io/aws/services/security/cloudhsm.md).

# CloudHSM

your secure box on the cloud

## Overview

<figure><img src="https://2259236002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fuh9xZDZ53qGqmMCM44PU%2Fuploads%2FUg6kUjKK3F9RRthv8zif%2Fimage.png?alt=media&amp;token=058d52e1-d678-46c1-b9a6-34b3cf143deb" alt=""><figcaption><p>Custom key store</p></figcaption></figure>

* A way for company to keep their digital secrets on the cloud.
* Super strong lock, more security compare to other service.
* Rather than using AWS KMS key store, use CloudHSM to create your own key CMK.&#x20;
  * CMK never leave the HSMs in the CloudHSM cluster.

### Use cases

* Only certain people with the key can access
* Protect important tasks:
  * Handle online payment
  * Keep customer information private.