Prevent reuse of identifiers for a defined period
Identification and Authentication · NIST SP 800-171 Rev 2
Requirement
Prevent reuse of identifiers for a defined period.
Discussion
Identifiers are provided for users, processes acting on behalf of users, or devices (3.5.1). Preventing reuse of identifiers implies preventing the assignment of previously used individual, group, role, or device identifiers to different individuals, groups, roles, or devices.
How this affects your SPRS score
Under the DoD Assessment Methodology, a perfect SPRS score is 110. If this control is not met, 1 point is subtracted from your score.
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Estimate my SPRS score →Source: NIST SP 800-171 Rev 2 (public domain) · SPRS weighting per the DoD Assessment Methodology · This is reference information, not an official assessment.