Framework overlap

Does ISO 27018 cover ISO 22301:2019?

You hold ISO 27018 and have been told to do ISO 22301:2019. Here is how much overlaps, control by control.

36% of ISO 22301:2019 you already have

ISO 27018 already covers about 36% of ISO 22301:2019, leaving 25 of 39 controls as genuinely new work.

Already covered 0 Likely covered 14 New work 25

No control in ISO 27018 maps directly to one in ISO 22301:2019. Everything counted as covered is covered because both map to the same third standard, which is what a crosswalk is, but it is an inference rather than a lookup.

What is genuinely new work

Nothing in ISO 27018 reaches these. This is the list to scope.

10.1
Continual improvement
10.2
Nonconformity and corrective action
4.2
Understanding the needs and expectations of interested parties
4.4
Management system
5.1
Leadership and commitment
5.3
Roles, responsibilities and authorities
6.1.3
Risk treatment
7.1
Resources
7.2
Competence
7.3
Awareness
7.4
Communication
7.5
Documented information
7.5.2
Creating and updating
7.5.3
Control of documented information
8.3
Business continuity strategies and solutions
8.3.2
Identification of strategies and solutions
8.3.3
Selection of strategies and solutions
8.3.5
Implementation of solutions
8.4
Business continuity plans and procedures
8.4.4
Business continuity plans
8.4.5
Recovery
8.5
Exercise programme
8.6
Evaluation of business continuity documentation and capabilities
9.1
Monitoring, measurement, analysis and evaluation
9.2
Internal audit
Show the 14 you already have
4.1
Understanding the organization and its context
4.3
Determining the scope of the management system
5.2
Policy
6.1
Actions to address risks and opportunities
6.1.2
Risk assessment
6.2
Objectives and planning to achieve them
8.1
Operational planning and control
8.2
Business impact analysis and risk assessment
8.2.2
Business impact analysis
8.2.3
Risk assessment
8.3.4
Resource requirements
8.4.2
Response structure
8.4.3
Warning and communication
9.3
Management review

How this is calculated

Already covered means a mapping runs from a control in ISO 27018 to that control. Likely covered means no direct mapping exists but both frameworks map to the same control in a third standard. New work means neither. We keep those separate rather than adding them into one friendlier number, because blending them would present a two-hop inference as a verified fact.

Coverage is not symmetric. Run it the other way and you will get a different number; both are correct.

From 332,959 cross-framework control mappings across 723 frameworks, 531 of them verified against their source documents. It does not tell you that you are compliant: a mapped control means the two standards ask for the same thing, not that you have done it.

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