Frameworks · Global standards
NIST SP 800-53 compliance, run as a living system
NIST Special Publication 800-53 is the US federal catalogue of security and privacy controls, organised into families with baselines selected by system impact level.
Who it applies to
US federal systems by mandate, and increasingly enterprises worldwide that adopt it as a comprehensive control catalogue or answer to US government customers.
What it demands
Control families
Twenty families from access control to supply chain risk management.
Baselines
Low, moderate and high baselines selected by system impact level.
Assessment
Control assessment with plans of action and milestones.
Continuous monitoring
Ongoing authorisation through continuous control monitoring.
How Compli-Once runs it
- 1
Control families modelled with baseline scoping per system.
- 2
Crosswalks to ISO 27001 and SOC 2 mean one implementation satisfies overlapping obligations.
- 3
Findings and corrective actions run on the audit and CAPA machinery, closing with evidence.
What you already satisfy
NIST SP 800-53 overlaps with frameworks you may already run. The crosswalk quantifies existing coverage on day one, before you plan a single task.
Implement once, satisfy many
In a representative demonstration environment, 61% of a newly adopted regulatory framework was already satisfied by the existing ISO 27001 programme.
Illustrative, computed live per tenant in the platform.
Frequently asked questions
Which NIST SP 800-53 revision is supported?
Revision 5, with baselines for low, moderate and high impact systems.
Can we scope to a single baseline?
Yes. Baseline selection scopes the control set per system, and each system's posture computes independently.
How does 800-53 map to ISO 27001?
Through the crosswalk: equivalences are pre-mapped and reviewable, so evidence collected for one framework serves the other where mappings exist.
Is continuous monitoring supported?
Yes. Controls carry live status and evidence with expiry tracking, so the continuous monitoring view is the dashboard itself.