# MA-05 Maintenance Personnel

NIST SP 800-53 control. Family: MA Maintenance. Function: preventative. Baselines: low, moderate, high. Mapping licence: CC BY-SA 4.0.

Statement: a. Establish a process for maintenance personnel authorization and maintain a list of authorized maintenance organizations or personnel; b. Verify that non-escorted personnel performing maintenance on the system possess the required access authorizations; and c. Designate organizational personnel with required access authorizations and technical competence to supervise the maintenance activities of personnel who do not possess the required access authorizations.
Guidance: Maintenance personnel refers to individuals who perform hardware or software maintenance on organizational systems, while PE-2 addresses physical access for individuals whose maintenance duties place them within the physical protection perimeter of the systems. Technical competence of supervising individuals relates to the maintenance performed on the systems, while having required access authorizations refers to maintenance on and near the systems. Individuals not previously identified as authorized maintenance personnel—such as information technology manufacturers, vendors, systems integrators, and consultants—may require privileged access to organizational systems, such as when they are required to conduct maintenance activities with little or no notice. Based on organizational assessments of risk, organizations may issue temporary credentials to these individuals. Temporary credentials may be for one-time use or for very limited time periods.

## Enhancements (5)
- MA-05(01) Individuals Without Appropriate Access. Baselines: high
- MA-05(02) Security Clearances for Classified Systems
- MA-05(03) Citizenship Requirements for Classified Systems
- MA-05(04) Foreign Nationals
- MA-05(05) Non-system Maintenance
Each enhancement's statement: /api/v1/controls/MA-05?fields=enhancements

## Patterns that use it (2)
- Standard (2): SP-001 Client Module; SP-002 Server Module

## Clauses by framework (24 frameworks)
- iso_27001_2022: A.7.13. OSA's own, not in NIST's crosswalk: A.7.13
- iso_27002_2022: 7.13
- cobit_2019: DSS01
- anssi: Hygiene.7, Hygiene.15, SecNumCloud.8.1
- osfi_b13: B-13.2.3, B-13.4.1
- finma_circular: IV.A(28), IV.F(100), V(101)
- gdpr: Art.28(3)(b), Art.32(4)
- dora: Art.28(5)
- bio2: 7.13
- rbi_csf: Annex1.7, Annex1.11
- fisc: FISC.F3
- mlps_2: 8.1.10.2
- dnb_good_practice: DNB.18.2
- cbe_csf: CTO-10
- cbn_csf: Part3.3
- bot_cyber: Ch10.1
- cpmi_pfmi: PFMI.P17
- eba_ict: 3.5(a)
- ecb_croe: CROE.2.3.4
- hipaa_sr: §164.310(a)(2)(iv)
- sebi_cscrf: PR.MA
- cmmc_2: MA
- nrc_73_54: RG5.71-B-MA
- iso_27799: 11.2
OSA's mapping for iso_27001_2022 takes NIST's published crosswalk as its base. A clause not marked as OSA's own is in that crosswalk.

## More
- This control as JSON, with guidance and ATT&CK techniques: /api/v1/controls/MA-05
- Clauses only: /api/v1/controls/MA-05?fields=mappings
- Page for people: /controls/ma-05/