NIST SP 800-53 Rev. 5 Compliance — Control Selection and Assessment
NIST SP 800-53 is the most detailed security and privacy control catalogue in common use. It underpins FedRAMP and US federal systems, and many enterprises use it as their master control set.
Mutex Systems helps you select and tailor a baseline, implement the controls and assess them — and maps them to ISO 27001 and NIST CSF so you are not doing the work twice.
- Category
- Compliance Framework
- Jurisdiction
- United States
- Issuing Body
- NIST
- Current Version
- SP 800-53 Rev. 5 (with later updates), baselines in SP 800-53B
- Who It's For
- US federal suppliers, FedRAMP cloud providers, US-facing SaaS companies and enterprises wanting a comprehensive control catalogue.
Core Domains
A Practical Compliance Path
- 01
Categorise
Determine system impact level and the matching baseline.
- 02
Tailor
Adjust controls to your environment with documented rationale.
- 03
Implement
Build or document each control.
- 04
Assess
Test controls using SP 800-53A procedures.
One catalogue, many certifications
We map 800-53 controls to ISO 27001, SOC 2 and NIST CSF so one implementation serves several audits.
- Baseline selection and tailoring
- System security plan support
- Assessment against 800-53A
Related Pages
The full catalogue, cross-mapped
grComply loads NIST SP 800-53 as a framework and maps its controls to the other frameworks you hold, with evidence counted once.
- Control families with owners and evidence
- Cross-mapping to ISO 27001, NIST CSF and SOC 2
- Scan findings linked to technical controls
- Continuous-monitoring evidence on a schedule
grComply is Mutex Systems' own multi-tenant GRC automation platform — the framework library, hybrid scanning, risk and audit workflow, and AI-assisted compliance behind every point above are live in production today.
See How grComply WorksCommon Questions About NIST SP 800-53
How many control families are in NIST 800-53 Rev. 5?
Twenty, including Access Control, Incident Response, Risk Assessment, System and Communications Protection, and Supply Chain Risk Management.
What is the difference between NIST 800-53 and NIST CSF?
NIST CSF describes security outcomes at a high level; SP 800-53 is a detailed catalogue of controls that can achieve those outcomes.
Ready to Start Your NIST SP 800-53 Programme?
Send us your current posture and timeline. Within two working days you will receive a written response and a proposed scoping call.