NIST SP 800-53 Rev 5 LOW AC-20: Use of External Systems
Establish terms and conditions for use of external systems; prohibit unless authorized.
What else in your programme already covers this
This control maps to 33 controls across 17 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.
SOC2-CC6.2 Prior to granting access, registration and authorization processes are established
SOC2-CC6.6 Measures against threats outside system boundaries are implemented
SOC2-CC9.2 Risk mitigation activities include assessment of vendor and business partner controls
SOC2-P6.4 Obtains privacy commitments from vendors and other third parties who have access to personal information to meet the entity's objectives related to privacy. The entity assesses those parties' compliance on a periodic and as-needed
SOC2-P6.5 Obtains commitments from vendors and other third parties with access to personal information to notify the entity in the event of actual or suspected unauthorized disclosures of personal information. Such notifications are reported to