Back to Frameworks

NIST SP 800-63 Digital Identity Guidelines

United States
8 domains
8 controls

NIST SP 800-63-3 + 800-63A/B/C Digital Identity Guidelines (IAL/AAL/FAL assurance levels).

Verified

Framework summaries on this platform are AI-assisted interpretations for educational and compliance planning purposes. They do not reproduce or replace the official standards. Refer to the authoritative source for the definitive text. Framework names and trademarks belong to their respective organisations.

Framework Domains (8)

Authentication - AAL1 + AAL2

1 controls
Controls in the Authentication - AAL1 + AAL2 domain of NIST SP 800-63 Digital Identity Guidelines1 controls
CodeTitle
NISTSP63-5AAL1 and AAL2 Authentication: MFA, Approved Authenticators, Session Binding

Authentication - AAL3

1 controls
Controls in the Authentication - AAL3 domain of NIST SP 800-63 Digital Identity Guidelines1 controls
CodeTitle
NISTSP63-6AAL3 Authentication: Hardware Cryptographic, Verifier Impersonation Resistance, Phishing Resistance

Cross-cutting: Threat Model, Lifecycle, Privacy, Equity

1 controls
Controls in the Cross-cutting: Threat Model, Lifecycle, Privacy, Equity domain of NIST SP 800-63 Digital Identity Guidelines1 controls
CodeTitle
NISTSP63-8Threat Model, Lifecycle Management, Privacy, Equity, Records, and Subscriber Communication

Digital Identity Risk and Assurance Level Selection

1 controls
Controls in the Digital Identity Risk and Assurance Level Selection domain of NIST SP 800-63 Digital Identity Guidelines1 controls
CodeTitle
NISTSP63-1Digital Identity Risk Assessment and Assurance Level Selection (IAL, AAL, FAL)

Federation - FAL1/2/3

1 controls
Controls in the Federation - FAL1/2/3 domain of NIST SP 800-63 Digital Identity Guidelines1 controls
CodeTitle
NISTSP63-7Federation - FAL1, FAL2, FAL3 Assertions, RP Validation, Trust Agreements

Identity Proofing - IAL1

1 controls
Controls in the Identity Proofing - IAL1 domain of NIST SP 800-63 Digital Identity Guidelines1 controls
CodeTitle
NISTSP63-2IAL1 Self-Asserted Identity Proofing

Identity Proofing - IAL2

1 controls
Controls in the Identity Proofing - IAL2 domain of NIST SP 800-63 Digital Identity Guidelines1 controls
CodeTitle
NISTSP63-3IAL2 Remote and In-Person Identity Proofing

Identity Proofing - IAL3

1 controls
Controls in the Identity Proofing - IAL3 domain of NIST SP 800-63 Digital Identity Guidelines1 controls
CodeTitle
NISTSP63-4IAL3 In-Person and Supervised Remote Identity Proofing

Maps to 2 other frameworks

8 total controls
eIDAS 2.0 - EU Digital Identity Regulation
3 source controls mapped|6 target controls covered
38%
EMV 3‑D Secure (3DS) - Payment Authentication Protocol
1 source controls mapped|3 target controls covered
13%

Frequently Asked Questions

What is NIST SP 800-63 Digital Identity Guidelines?

NIST SP 800-63 Digital Identity Guidelines is a compliance framework from United States with 8 domains and 8 controls. NIST SP 800-63-3 + 800-63A/B/C Digital Identity Guidelines (IAL/AAL/FAL assurance levels). It is used by organisations to establish and maintain compliance with industry standards and regulatory requirements.

How many controls does NIST SP 800-63 Digital Identity Guidelines have?

NIST SP 800-63 Digital Identity Guidelines has 8 controls organised across 8 domains. The largest domains are Authentication - AAL1 + AAL2 (1 controls), Authentication - AAL3 (1 controls), Cross-cutting: Threat Model, Lifecycle, Privacy, Equity (1 controls). Each control defines specific requirements that organisations must implement to achieve compliance.

What frameworks does NIST SP 800-63 Digital Identity Guidelines map to?

NIST SP 800-63 Digital Identity Guidelines maps to 2 other compliance frameworks. The top mapping partners are eIDAS 2.0 - EU Digital Identity Regulation (38% coverage), EMV 3‑D Secure (3DS) - Payment Authentication Protocol (13% coverage). Use our comparison tool to explore control-level mappings between frameworks.

How do I get started with NIST SP 800-63 Digital Identity Guidelines compliance?

Start your NIST SP 800-63 Digital Identity Guidelines compliance journey by running a self-assessment on our platform to identify your current compliance posture. Our AI advisory can answer specific questions about NIST SP 800-63 Digital Identity Guidelines requirements, and cross-framework mapping helps you leverage existing controls from other frameworks you may already comply with. Create a free account to access all 8 controls and track your progress.

Start Your Compliance Journey

Create a free account to run self-assessments, get AI advisory, and track your compliance progress across 718 frameworks.

Get Started Free →

Free forever — no credit card required