OS Hardening and Base Controls from Cloud Controls Matrix framework

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OS Hardening and Base Controls

IVS-04: Is every host and guest OS, hypervisor, or infrastructure control plane hardened (according to their respective best practices) and supported by technical controls as part of a security baseline?

Control implemented

Not applicable - A “N/A” answer indicates that the portion of the control in question is out of scope of the assessment. The “SSRM control ownership” column is to be left blank (e.g., greyed out), and optionally the CSP may explain why it is the case (“CSP Implementation Description”).

No - A “No” answer indicates that the portion of the control in question is not implemented, while in scope of the assessment. The CSP has to assign the implementation responsibility of the control to the relevant party under column “SSRM control ownership”, and optionally elaborate on the “why” (has not been implemented), and “what” has to be done for its implementation by that party.

Yes - A “Yes” answer indicates that the portion of the control in question is implemented. The CSP indicates the responsible and accountable parties (SSRM control ownership), and optionally elaborates on the implementation “how-to” per relevant party CSP and/or CSC.

Control ownership

CSP-owned - The CSP is entirely responsible and accountable for the CCM control implementation.

CSC-owned - The Cloud Service Customer (CSC) is entirely responsible and accountable for the CCM control implementation.

Third-party - The third-party CSP in the supply chain (e.g., an IaaS provider) is responsible for CCM control implementation, while the CSP is fully accountable.

Shared CSP and CSC - Both the CSP and CSC share CCM control implementation responsibility and accountability.

Shared CSP and third party - Any CCM control implementation responsibility is shared between CSP and the third party, but the CSP remains fully accountable.

Description

Harden host and guest OS, hypervisor or infrastructure control plane according to their respective best practices, and supported by technical controls, as part of a security baseline.