PS-7 PS · Personnel Security

External Personnel Security

✓ LOW ✓ MODERATE ✓ HIGH
1 Overlay 12 Related Controls
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Requirements NIST SOURCE

Discussion (NIST Supplemental Guidance)

External provider refers to organizations other than the organization operating or acquiring the system. External providers include service bureaus, contractors, and other organizations that provide system development, information technology services, testing or assessment services, outsourced applications, and network/security management. Organizations explicitly include personnel security requirements in acquisition-related documents. External providers may have personnel working at organizational facilities with credentials, badges, or system privileges issued by organizations. Notifications of external personnel changes ensure the appropriate termination of privileges and credentials. Organizations define the transfers and terminations deemed reportable by security-related characteristics that include functions, roles, and the nature of credentials or privileges associated with transferred or terminated individuals.

Implementation Guidance

Engineering Interpretation

Original engineering commentary written for this explorer — not NIST source text and not authoritative guidance.

No engineering interpretation has been authored for PS-7 yet. This section is architected to receive it — see the Requirements and Assessment sections above for the authoritative NIST source content in the meantime.

Assessment

NIST SP 800-53A REV 5.2.0

Assessment Objectives

  1. personnel or roles to be notified of any personnel transfers or terminations of external personnel who possess organizational credentials and/or badges or who have system privileges is/are defined;
  2. time period within which third-party providers are required to notify organization-defined personnel or roles of any personnel transfers or terminations of external personnel who possess organizational credentials and/or badges or who have system privileges is defined;
  3. personnel security requirements are established, including security roles and responsibilities for external providers;
  4. external providers are required to comply with personnel security policies and procedures established by the organization;
  5. personnel security requirements are documented;
  6. external providers are required to notify <PS-07_ODP[01] personnel or roles> of any personnel transfers or terminations of external personnel who possess organizational credentials and/or badges or who have system privileges within <PS-07_ODP[02] time period>;
  7. provider compliance with personnel security requirements is monitored.

Examine

[SELECT FROM: Personnel security policy; procedures addressing external personnel security; list of personnel security requirements; acquisition documents; service-level agreements; compliance monitoring process; system security plan; other relevant documents or records].

Interview

[SELECT FROM: Organizational personnel with personnel security responsibilities; external providers; system/network administrators; organizational personnel with account management responsibilities; organizational personnel with information security responsibilities].

Test

[SELECT FROM: Organizational processes for managing and monitoring external personnel security; mechanisms supporting and/or implementing the monitoring of provider compliance].

Overlays

OT/ICS Overlay SP 800-82r3

NIST SP 800-82r3 Appendix F, Table 22. Blank baseline means the control/control enhancement is not selected in that initial OT baseline.

LOW

  • Base control: Included (matches standard baseline)

MODERATE

  • Base control: Included (matches standard baseline)

HIGH

  • Base control: Included (matches standard baseline)

STIGs & CCIs

No STIG checks or CCI mappings are currently loaded for PS-7. This section is architected to display, per product: STIG ID, Finding ID, Severity, Title, Description, Check, Fix, CCI, and NIST control mapping — but nothing is populated here until a real DISA STIG/CCI dataset is ingested.

Learn more about STIG/CCI integration →

Evidence

Potential Evidence — Derived

Categorized from the SP 800-53A "Examine"/"Test" artifact list above by keyword — not an authoritative NIST evidence list.

Policy

  • Personnel security policy
  • system security plan

Testing

  • Organizational processes for managing and monitoring external personnel security
  • mechanisms supporting and/or implementing the monitoring of provider compliance

Other Records

  • procedures addressing external personnel security
  • list of personnel security requirements
  • acquisition documents
  • service-level agreements
  • compliance monitoring process
  • other relevant documents or records