The Challenge
The organisation relied on cloud services like Microsoft 365, backup providers, and virtual machines. ISO/IEC 27001:2022 Clause 5.23 required evidence that cloud services were assessed and controlled for information security.
The Approach
We developed a comprehensive cloud security evidence framework:
- Service Inventory: Cataloguing all cloud services
- Control Assessment: Benchmarking each service against ISO 27001 and NIS2
- Evidence Collection: Documentation of technical and procedural controls
- Compliance Mapping: Creating Clause 5.23 evidence matrix
The Solution
Unified evidence repository developed consolidating all documentation and compliance controls for cloud services.
Architecture
Inventory Layer
Complete registry of all cloud services
Controls Layer
Mapping security features - encryption, MFA, logging
Evidence Layer
Centralised audit-ready artifacts
Compliance Layer
Evidence matrix linking services to ISO 27001 A.5.23
Results
- Structured evidence packages for ISO 27001 audits
- Clear visibility into cloud security posture
- Demonstrated compliance with Clause 5.23, NIS2, and GDPR
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