Framework overlap

Does GDPR cover NIST SP 800-63-4?

You hold GDPR and have been told to do NIST SP 800-63-4. Here is how much overlaps, control by control.

75% of NIST SP 800-63-4 you already have

GDPR already covers about 75% of NIST SP 800-63-4, leaving 2 of 8 controls as genuinely new work.

Already covered 0 Likely covered 6 New work 2

No control in GDPR maps directly to one in NIST SP 800-63-4. 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 GDPR reaches these. This is the list to scope.

NISTSP63R4-2
Identity Proofing: Evidence Collection, Remote Proofing, and Identity Validation Services
NISTSP63R4-6
Equity, Accessibility, and Inclusive Identity Service Design
Show the 6 you already have
NISTSP63R4-1
Digital Identity Risk Management and IAL/AAL/FAL Assurance Level Selection
NISTSP63R4-3
Authentication: Authenticator Types, MFA, Phishing-Resistance, and Syncable Authenticators
NISTSP63R4-4
Authenticator Lifecycle: Binding, Recovery, Replacement, Suspension, Revocation
NISTSP63R4-5
Federation: Assertions, Trust Agreements, RP Validation, Pseudonymous Identifiers
NISTSP63R4-7
Privacy, Records Retention, and User-Controlled Wallets
NISTSP63R4-8
Operational Audit, Session Management, Recovery, and Cross-cutting Controls

How this is calculated

Already covered means a mapping runs from a control in GDPR 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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