NIST 800-171 · Identification and Authentication
Requirement 3.5.1
- SPRS weight
- SPRS weight: 5
- POA&M eligibility
- Not POA&M-eligible
- Assessment objectives
- 3 assessment objectives
Official requirement text
Identify system users, processes acting on behalf of users, and devices.
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.
- 3.5.1[a]system users are identified.
- 3.5.1[b]processes acting on behalf of users are identified.
- 3.5.1[c]devices accessing the system are identified.
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.