IA-4 · Identification and Authentication · NIST SP 800-53 Rev5

IA-4: Identifiers are managed so each account maps to a unique, accountable subject

How NIST SP 800-53 Rev5 control IA-4 (Identification and Authentication) maps to FedRAMP 20x Key Security Indicators, and the evidence scm.cc collects for it.

Educational resource only. scm.cc is not a FedRAMP Recognized Independent Assessor (3PAO) and is not FedRAMP-authorized; it grants no authorization, certification, or assessment outcome. FedRAMP.gov is the authoritative source. This is not legal advice.

What IA-4 requires

Identifiers are managed so each account maps to a unique, accountable subject.

Paraphrased from NIST SP 800-53 Rev. 5 — Security and Privacy Controls for Information Systems and Organizations (checked 2026-10-31). scm.cc does not reproduce the official control text; read the NIST catalog for the normative wording.

FedRAMP 20x KSIs that cover IA-4

These Key Security Indicators officially cite IA-4 as a related SP 800-53 control, so satisfying them is how a 20x package demonstrates this control.

Evidence scm.cc collects for IA-4

scm.cc tracks this as manual evidence you attach; it validates and replays exactly what you provide (no automated claim beyond that).

Check your readiness · KSI ↔ NIST crosswalk explorer

Related Identification and Authentication controls

Sources