GV.SC-04 requires organizations to identify all suppliers and rank them based on their criticality to operations, considering factors like data sensitivity or system access. This prioritization helps focus cybersecurity efforts on the most vital suppliers, whose failure or compromise could significantly impact the organization. Maintaining an up-to-date supplier inventory is key to this process.

This subcategory enables efficient resource allocation by directing risk management efforts toward high-priority suppliers, ensuring they meet stringent security standards. It provides a clear picture of the supply chain landscape, enhancing visibility and control. GV.SC-04 lays the groundwork for targeted, risk-based supplier management.