FAQGlobalISO/IEC 27017

ISO/IEC 27017 FAQ Virtualization Responsibilities

How should teams handle Virtualization Responsibilities under ISO/IEC 27017 Cloud Security Controls?

Grounded in external ISO, NIST, EU, or framework sources where relevant. This is practical implementation guidance, supporting implementation planning and should be validated against jurisdiction-specific legal, contractual, and policy requirements before implementation.

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Sorena AI

Published

May 9, 2026

Updated

May 9, 2026

Questions

Structured answer sets in this page tree.

Primary sources

Cited legal and guidance references.

Publication metadata

Sorena AI

Published May 9, 2026

Updated May 9, 2026

Overview

This ISO/IEC 27017 FAQ answers Virtualization Responsibilities in standalone terms: what decision is required, who owns it, what evidence proves it, and when it should be reviewed.

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4 of 4 questions

Question 1

How should teams handle Virtualization Responsibilities under ISO/IEC 27017?

Start with the operational decision: define what Virtualization Responsibilities means in your ISO/IEC 27017 scope, who owns it, and what record proves the decision is current.

For cloud security work, write the provider/customer split before requesting evidence; the same control can be provider-owned, customer-owned, or shared depending on the service model and contract. This keeps the answer useful in audits, customer reviews, incidents, supplier reviews, and management review.

Name the accountable owner and reviewer for Virtualization Responsibilities.
Record the scope, assumptions, decision, approval date, evidence location, exception status, and next review trigger.
Escalate when Virtualization Responsibilities changes risk acceptance, service commitments, customer promises, regulatory duties, or certification evidence.

Citations

ISO/IEC 27017:2015 standard page

Primary ISO listing for cloud-service security control guidance, including the cloud-specific control context used for virtualization responsibility splits.

ISO/IEC 27002:2022 standard page

Primary ISO listing for baseline information-security controls that ISO/IEC 27017 extends for cloud virtualization and shared-control evidence.

Question 2

What evidence should prove Virtualization Responsibilities is current under ISO/IEC 27017?

The evidence should show the process operating. For this artifact, the strongest record usually includes shared-responsibility matrix, cloud service agreement, provider assurance, customer configuration evidence, access reviews, logs, and change records.

Avoid evidence that only repeats a requirement. A reviewer should be able to see the actual owner, date, system, supplier, AI system, service, incident, risk, or control sample behind the answer.

Use source records from the system of work, not screenshots created only for audit day.
Keep exceptions visible as risk acceptance, corrective action, or management-review input.
Update linked registers when the answer changes an owner, risk, control, service, supplier, or review date.

Citations

ISO/IEC 27002:2022 standard page

Primary ISO listing for baseline information-security controls that ISO/IEC 27017 extends for cloud virtualization and shared-control evidence.

ISO/IEC 27001:2022 standard page

Primary ISO listing for ISMS requirements that frame ownership, evidence, risk treatment, and review of virtualization responsibilities.

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Question 3

Who should approve Virtualization Responsibilities decisions under ISO/IEC 27017?

The person who can fund, operate, and correct the process should own the decision; governance should review consistency and exceptions.

For high-impact changes, approval should include the teams affected by the evidence: security, privacy, resilience, supplier management, AI governance, legal, risk, or business service owners as relevant.

Use a named owner, named backup, and named escalation forum.
Separate preparation work from risk acceptance and final approval.
Keep approval records with the evidence rather than in disconnected email threads.

Citations

ISO/IEC 27017:2015 standard page

Primary ISO listing for cloud-service security control guidance, including the cloud-specific control context used for virtualization responsibility splits.

ISO/IEC 27002:2022 standard page

Primary ISO listing for baseline information-security controls that ISO/IEC 27017 extends for cloud virtualization and shared-control evidence.

Question 4

When should Virtualization Responsibilities be reviewed under ISO/IEC 27017?

Review it at planned intervals and whenever the underlying scope, service, supplier, control, risk, AI system, personal data flow, incident process, or customer commitment changes.

A stale record is worse than a short record. If the facts change, update the evidence and mark what changed so the next reviewer can trust the page.

Set a planned review date and a change-trigger rule.
Use findings to update controls, procedures, contracts, risk registers, or training.
Carry unresolved items into management review or risk acceptance.

Citations

ISO/IEC 27017:2015 standard page

Primary ISO listing for cloud-service security control guidance, including the cloud-specific control context used for virtualization responsibility splits.

ISO/IEC 27002:2022 standard page

Primary ISO listing for baseline information-security controls that ISO/IEC 27017 extends for cloud virtualization and shared-control evidence.

Primary sources

References and citations

ISO/IEC 27001:2022 standard page

iso.org

Referenced sections

Primary ISO listing for ISMS requirements that frame ownership, evidence, risk treatment, and review of virtualization responsibilities.

"Information security management systems - Requirements"

ISO/IEC 27002:2022 standard page

iso.org

Referenced sections

Primary ISO listing for baseline information-security controls that ISO/IEC 27017 extends for cloud virtualization and shared-control evidence.

"Information security controls"

ISO/IEC 27017:2015 standard page

iso.org

Referenced sections

Primary ISO listing for cloud-service security control guidance, including the cloud-specific control context used for virtualization responsibility splits.