# SA-23 — Specialization

- **Control ID:** SA-23
- **Family:** [SA](/md/families/SA.md)
- **Baselines:** No content available.
- **Enhancement of:** No content available.

## Description

Employ \[assignment\] on \[assignment\] supporting mission essential services or functions to increase the trustworthiness in those systems or components.

## Discussion

It is often necessary for a system or system component that supports mission-essential services or functions to be enhanced to maximize the trustworthiness of the resource. Sometimes this enhancement is done at the design level. In other instances, it is done post-design, either through modifications of the system in question or by augmenting the system with additional components. For example, supplemental authentication or non-repudiation functions may be added to the system to enhance the identity of critical resources to other resources that depend on the organization-defined resources.

## Implementation guidance

No content available.

## CSF 2.0 subcategories

No content available.

## Related controls

- [RA-9](/md/controls/RA-9.md)
- [SA-8](/md/controls/SA-8.md)

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Derived from official NIST publications (NIST SP 800-53 Rev 5 and NIST CSF 2.0). nistcontrols.com is not affiliated with NIST.