Assessment Objective

Determine if:

• SA-09a.
  • SA-09a.[01] providers of external system services comply with organizational security requirements;
  • SA-09a.[02] providers of external system services comply with organizational privacy requirements;
  • SA-09a.[03] providers of external system services employ [Assignment: controls];
• SA-09b.
  • SA-09b.[01] organizational oversight with regard to external system services are defined and documented;
  • SA-09b.[02] user roles and responsibilities with regard to external system services are defined and documented;
• SA-09c. [Assignment: processes, methods, and techniques] are employed to monitor control compliance by external service providers on an ongoing basis.

Assessment Methods

Examine

• System and services acquisition policy
• system and services acquisition procedures
• procedures addressing methods and techniques for monitoring control compliance by external service providers of system services
• acquisition documentation
• contracts
• service level agreements
• interagency agreements
• licensing agreements
• list of organizational security and privacy requirements for external provider services
• control assessment results or reports from external providers of system services
• system security plan
• privacy plan
• supply chain risk management plan
• other relevant documents or records

Interview

• Organizational personnel with acquisition responsibilities
• external providers of system services
• organizational personnel with information security and privacy responsibilities
• organizational personnel with supply chain risk management responsibilities

Test

• Organizational processes for monitoring security and privacy control compliance by external service providers on an ongoing basis
• mechanisms for monitoring security and privacy control compliance by external service providers on an ongoing basis

Linked Issues

• NIST -

  https://csrc.nist.gov/pubs/sp/800/53/r5/upd1/final