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Critical System

What is Critical System?

An information system whose failure or compromise would have severe consequences for the organization's operations or mission.

Information Security

Each of these is named in at least one of the same controls as critical system. The number is how many controls name both.

What the standards actually require on critical system

Requirements naming critical system across 6 standards, quoted from the control text.

IEC 624433 controls

Recovery plan for critical systems. Control from IEC 62443 framework, domain: IEC 62443: Incident Response & Recovery.

IEC62443-17 · Recovery plan for critical systems
ISO 270193 controls

Recovery plan for critical systems. Control from ISO 27019 framework, domain: ISO 27019: Incident Response & Recovery.

ISO27019-17 · Recovery plan for critical systems
NIST SP 1800-323 controls

Recovery plan for critical systems. Control from NIST SP 1800-32 framework, domain: NIST SP 1800-32: Incident Response & Recovery.

NIST1800-32-17 · Recovery plan for critical systems
FedRAMP High2 controls

Contingency Plan | Identify Critical Assets. Identify critical system assets supporting [Selection: all; essential] mission and business functions

CP-2(8) · Contingency Plan | Identify Critical Assets. Identify critical system assets supporting [Selection: all; essential] mission and business functions

Contingency Plan | Identify Critical Assets. Identify critical system assets supporting [Selection: all; essential] mission and business functions

CP-2(8) · Contingency Plan | Identify Critical Assets. Identify critical system assets supporting [Selection: all; essential] mission and business functions

Implement Tier 3 Additional Controls per MTCS SS 584 for highest sensitivity workloads (critical systems + government classified + Critical Information Infrastructure CII + MAS-regulated systemically-important systems + healthcare clinical data + Restricted/Se...

MTCS-Tier-3-Additional-Controls-Critical-Systems-MAS-CCoP-Government-Classified-CII-Sovereign-Cloud · MTCS Tier 3 Additional Controls + Critical Systems + MAS + CCoP + Government Classified + CII + Sovereign Cloud

Questions people ask about critical system

What is Critical System?
An information system whose failure or compromise would have severe consequences for the organization's operations or mission.
Why is Critical System important for compliance?
Critical System is a key concept in Information Security. Understanding critical system helps organizations meet regulatory requirements, reduce risk, and demonstrate due diligence during audits. Our compliance platform maps 686 frameworks with 311K cross-framework control mappings.
Which compliance frameworks address Critical System?
Critical System appears in the requirement text of IEC 62443, ISO 27019, NIST SP 1800-32, FedRAMP High, FedRAMP Moderate. Across these standards we have identified 15 controls that name it directly, each linked to the control text on the compliance platform.
Where can I learn more about Critical System?
Explore our compliance framework pages to see how critical system applies across different standards and regulations. Our implementation guides provide step-by-step guidance, and the compliance platform offers AI-powered analysis of how this concept maps across 686 frameworks.

See how Critical System applies across compliance frameworks

Our platform maps 686 frameworks with 311K cross-framework control mappings. Explore how this concept is addressed across standards.

Written and maintained by Gerard Blokdyk, The Art of Service.