Concentration risk management. Control from PCI PIN Security framework, domain: PCI PIN Security: Third-Party Risk Management.
What else in your programme already covers this
This control maps to 128 controls across 56 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.
NIST-CSF-GV.RM-03 Cybersecurity risk management activities and outcomes are included in enterprise risk management processes
NIST-CSF-GV.RM-04 Strategic direction that describes appropriate risk response options is established and communicated
NIST-CSF-GV.SC-01 A cybersecurity supply chain risk management program, strategy, objectives, policies, and processes are established and agreed to by organizational stakeholders