CM-5 (2) What is the solution and how is it implemented?
CM-5 (3) Control Enhancement (M) (H)
The information system prevents the installation of [Assignment: organization-defined software and firmware components] without verification that the component has been digitally signed using a certificate that is recognized and approved by the organization.
CM-5 (3) Additional FedRAMP Requirements and Guidance:
Guidance: If digital signatures/certificates are unavailable, alternative cryptographic integrity checks (hashes, self-signed certs, etc.) can be used.