NIST Special Publication 800-171 Revision 2

Date Published: January 28th, 2021

Withdrawn on May 14, 2024. Superseded by SP 800-171 Rev. 3

Author(s): Ron Ross (NIST), Victoria Pillitteri (NIST), Kelley Dempsey (NIST), Mark Riddle (NARA), Gary Guissanie (IDA)

Note: A Class Deviation is in effect as of May 2, 2024 (DEVIATION 2024O0013). The deviation clause requires contractors, who are subject to 252.204-7012, to comply with National Institute of Standards and Technology (NIST) Special Publication (SP) 800-171 Revision 2, instead of the version of NIST SP 800-171 in effect at the time the solicitation is issued or as authorized by the contracting officer. Click Here

AC-3.7.6 Supervise the maintenance activities of maintenance personnel without required access authorization.

Control Family: Maintenance

Control Type: N/A

SPRS Value: 1

SPRS Supplemental Guidance:

N/A

CMMC Level(s):

MA.L2-3.7.6

Top Ten Failed Requirement:

No

Referenced in:

DFARS 252.204-7012

Derived From: NIST SP 800-53r4

MA-5

NIST Supplemental Guidance:

N/A

Discussion:

This requirement applies to individuals who are performing hardware or software maintenance on organizational systems, while 3.10.1 addresses physical access for individuals whose maintenance duties place them within the physical protection perimeter of the systems (e.g., custodial staff, physical plant maintenance personnel). Individuals not previously identified as authorized maintenance personnel, such as information technology manufacturers, vendors, consultants, and systems integrators, may require privileged access to organizational systems, for example, when required to conduct maintenance activities with little or no notice. Organizations may choose to issue temporary credentials to these individuals based on organizational risk assessments. Temporary credentials may be for one-time use or for very limited time periods.

Upon assessment, assessors must determine if-

Determine if maintenance personnel without required access authorization are supervised
during maintenance activities.

Assessors are instructed to-

Examine: [SELECT FROM: System maintenance policy; procedures addressing maintenance personnel; service provider contracts; service-level agreements; list of authorized personnel; maintenance records; access control records; system security plan; other relevant documents or records].

Interview: [SELECT FROM: Personnel with system maintenance responsibilities; personnel with information security responsibilities].

Test: [SELECT FROM: Organizational processes for authorizing and managing maintenance personnel; mechanisms supporting or implementing authorization of maintenance personnel].