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Annex A 5.21
Organizational
A.5.21 Managing information security in the ICT supply chain
ICT supply chain risks are managed.
What good looks like
Visibility of sub-processors, software components (SBOM), and propagation of security requirements.
Evidence an auditor will ask for
Sub-processor list, SBOMs, supplier audit reports.
Document template for this control
The Third Party Security Policy template gives you auditor-ready wording that fulfils Annex A 5.21. Preview the full document before you download the editable version.