NIST 800-171 · Access Control

Requirement 3.1.5

SPRS weight
SPRS weight: 3
POA&M eligibility
Not POA&M-eligible
Assessment objectives
4 assessment objectives

Official requirement text

Employ the principle of least privilege, including for specific security functions and privileged accounts.

Assessment objectives

Assessors don’t evaluate the requirement as one sentence; they walk these objectives one by one. Each must be met for the requirement to score.

  1. 3.1.5[a]privileged accounts are identified.
  2. 3.1.5[b]access to privileged accounts is authorized in accordance with the principle of least privilege.
  3. 3.1.5[c]security functions are identified.
  4. 3.1.5[d]access to security functions is authorized in accordance with the principle of least privilege.

Inside Valontir, this requirement carries a full plain-English guide: what it asks in normal words, what good looks like in a small shop, the evidence an assessor accepts, the common gaps that cost points, and a plain reading of every assessment objective shown above. See it in a demo.