NIST 800-171 3.5.11 (IA.L2-3.5.11): Obscured Feedback
Obscure feedback of authentication information.
CMMC Level 2 practice IA.L2-3.5.11
What 3.5.11 means in practice
Sign-in screens hide what is typed, showing dots or asterisks instead of the password, so nobody looking over a shoulder can read it. Most products do this by default; check custom applications, kiosks and devices that might echo credentials.
SPRS points and the CMMC POA&M
- CMMC Level 2 practice
- IA.L2-3.5.11
- SPRS points
- 1 point. When it is not met, the DoD Assessment Methodology subtracts 1 from the score of 110.
- CMMC POA&M
- Allowed. It is worth 1 point, and 32 CFR 170.21(a)(2)(ii) admits requirements worth 1 point. Conditional status also needs a score of at least 88, and the item must be closed within 180 days.
Sources: NIST SP 800-171 DoD Assessment Methodology, version 1.2.1 (June 24, 2020), Annex A; 32 CFR 170.21, Plan of Action and Milestones requirements.
What an assessor checks for 3.5.11
NIST SP 800-171A gives one determination statement for 3.5.11.
Determine if authentication information is obscured during the authentication process.
NIST SP 800-171A (June 2018), assessment objectives for 3.5.11
Evidence that shows 3.5.11 is met
- Screenshots of sign-in screens showing masked password entry.
- Configuration or code review results for the login forms of custom applications.
How PolicyCortex gathers the evidence
No PolicyCortex collector reads the evidence for 3.5.11. Your team provides the evidence listed above.
Meet the requirement once. Keep the evidence current.
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