Framework overlap

Does ISO/IEC 23894:2023 cover Nigeria Open Banking Regulatory Framework (CBN, 2023)?

You hold ISO/IEC 23894:2023 and have been told to do Nigeria Open Banking Regulatory Framework (CBN, 2023). Here is how much overlaps, control by control.

50% of Nigeria Open Banking Regulatory Framework (CBN, 2023) you already have

ISO/IEC 23894:2023 already covers about 50% of Nigeria Open Banking Regulatory Framework (CBN, 2023), leaving 4 of 8 controls as genuinely new work.

Already covered 3 Likely covered 1 New work 4

What is genuinely new work

Nothing in ISO/IEC 23894:2023 reaches these. This is the list to scope.

NGOB-4
API Performance, Availability, and Service Level
NGOB-6
Customer Notification, Liability Allocation, and Data Localisation
NGOB-7
Logging, Audit Trail, Independent Assurance, and Sandbox Testing
NGOB-8
Board Oversight, Business Continuity, and Open Banking Risk Governance
Show the 4 you already have
NGOB-1
Open Banking Registry Participation, Tiered Categorisation, and KYP
NGOB-2
Customer Consent Management and Lifecycle
NGOB-5
Fraud Monitoring, Incident Notification, and Reporting to CBN
NGOB-3
API Security Standards, mTLS, and Encryption

How this is calculated

Already covered means a mapping runs from a control in ISO/IEC 23894:2023 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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