NIST SP 800-66 Rev 2 164.312(a)(2)(i): Unique User Identification (Required)
Assign a unique name or number for identifying and tracking user identity. NIST recommends no shared accounts and centralized identity store.
Maintained by Gerard Blokdyk·Verified against the published standard ·Control text last updated
What else in your programme already covers this
This control maps to 45 controls across 24 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.