ISO/IEC 27017 — Cloud Security Certification
Cloud security controls procurement teams actually look for.
ISO/IEC 27017 extends ISO 27001 with 37 cloud-specific controls covering shared responsibility, virtual machine isolation, administrative operations and customer geographic boundaries. Mandatory for cloud providers and increasingly demanded from cloud consumers in regulated industries.
- ISO/IEC 27017:2015
- ISO/IEC 27001:2022 (parent ISMS)
- ISO/IEC 27018:2019 (PII complement)
- Cloud Security Alliance (CSA) STAR mapping
- MeitY cloud empanelment guidelines
Compliance is leverage, not paperwork.
Enterprise procurement teams now ask cloud service providers for ISO 27017 alongside ISO 27001. SaaS vendors targeting BFSI, healthcare and government deals add 12–18% to win rate post-certification. Macksofy implements ISO 27017 as a 6–8 week extension to existing ISO 27001 — sharing 60% of the evidence pack.
- Cloud Service Providers (IaaS, PaaS, SaaS)
- Multi-tenant SaaS targeting regulated industries
- Cloud-native fintechs + healthtechs
- Hyperscaler resellers + managed service providers
- Government cloud / community cloud operators
Aligned to the regulations that matter.
How we run a ISO 27017 engagement.
Interactive walkthrough — every phase clickable, every activity documented, every artefact regulator-ready.
- Phase 01
1 · Cloud architecture scoping
- Service model classification (IaaS / PaaS / SaaS)
- Tenant isolation model review
- Shared responsibility matrix authoring
01Station 0101Phase 011 · Cloud architecture scoping
- Service model classification (IaaS / PaaS / SaaS)
- Tenant isolation model review
- Shared responsibility matrix authoring
- Phase 02
2 · 37-control mapping
- Cloud-specific control gap analysis
- Customer-administrator boundary controls
- Virtual machine + container isolation testing
02Station 0202Phase 022 · 37-control mapping
- Cloud-specific control gap analysis
- Customer-administrator boundary controls
- Virtual machine + container isolation testing
- Phase 03
3 · Implementation
- Multi-tenant separation evidence
- Geographic data-locality controls
- Monitoring + alerting integration
03Station 0303Phase 033 · Implementation
- Multi-tenant separation evidence
- Geographic data-locality controls
- Monitoring + alerting integration
- Phase 04
4 · Internal audit + Stage 1/2
- Internal audit by Macksofy Cloud Lead Auditor
- Stage 1 documentation review
- Stage 2 evidence walk + control sampling
04Station 0404Phase 044 · Internal audit + Stage 1/2
- Internal audit by Macksofy Cloud Lead Auditor
- Stage 1 documentation review
- Stage 2 evidence walk + control sampling
Everything you need to satisfy auditors.
- 37-control gap analysis
- Shared Responsibility Matrix (publishable)
- Tenant isolation evidence pack
- ISO 27001 + 27017 combined SoA
- Stage 1 / Stage 2 audit support
- Annual surveillance support
ISO 27001 → 27017 add-on
Outcome: Extension delivered in 7 weeks; enabled BFSI procurement deals worth ₹14 crore
The shape of a ISO 27017 engagement.
Every number below is grounded in how Macksofy actually runs the engagement — not aspirational marketing copy.
What we actually examine.
Each pillar is a distinct workstream inside the engagement — scoped, evidenced, and signed off independently before the audit pack is assembled.
- Cloud-provider relationships3 pts
- Shared-responsibility model3 pts
- Virtualised environment controls3 pts
- Cloud-specific incident response3 pts
- Customer-tenant isolation3 pts
- Cloud audit & assurance3 pts
The supplier-context controls — where most ISO 27017 gaps surface.
- Provider SOC 2 / ISO 27001 due-diligence
- DPA + shared-responsibility evidence
- Exit & data-portability provisions
Who owns what control — documented and reviewable.
- Per-service shared-responsibility matrix
- Customer-managed control evidence
- Hand-off testing for each boundary
Hypervisor, container, network — controls the base 27001 doesn't fully cover.
- Hypervisor hardening evidence
- Container & K8s security posture
- Virtual network segmentation
Cloud incidents move faster than the IR plan that worked on-prem.
- Cloud-forensics readiness
- Provider-side IR coordination
- Tenant-isolation breach playbook
The single most important assurance for cloud customers.
- Logical-isolation evidence
- Encryption-key separation
- Cross-tenant access prevention testing
The 27017-specific clauses on monitoring and audit-rights.
- Cloud audit-log completeness
- Customer right-to-audit + evidence
- Continuous-compliance reporting
From kick-off to regulator-ready report.
The horizontal flow below shows the typical week-by-week shape of a ISO 27017 engagement. Click any station for detail in the methodology section above.
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