CMMC Subcontractors and Service Providers

This TrustedSec guidance details how CMMC obligations flow to subcontractors and external service providers (including cloud service providers), clarifies distinctions between CUI and SPD, explains when FedRAMP versus CMMC requirements apply (and FedRAMP equivalency/documentation needed), and provides practical advice on Service Descriptions, Customer Responsibility Matrices, SSP documentation, assessment options, and due-diligence to ensure contractor compliance prior to subcontracting.