FAQGlobalISO/IEC 27036

ISO/IEC 27036 FAQ Assurance Evidence

How should teams handle Assurance Evidence under ISO/IEC 27036 Supplier Relationship Security?

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

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Author
Sorena AI
Published
May 9, 2026
Updated
May 9, 2026
Questions
4

Structured answer sets in this page tree.

Primary sources
3

Cited legal and guidance references.

Publication metadata
Sorena AI
Published May 9, 2026
Updated May 9, 2026
Overview

This ISO/IEC 27036 FAQ answers Assurance Evidence 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 Assurance Evidence under ISO/IEC 27036?

Start with the operational decision: define what Assurance Evidence means in your ISO/IEC 27036 scope, who owns it, and what record proves the decision is current.

For ISO/IEC 27036, the useful record is practical: decision, scope, owner, evidence, exception, review trigger, and next action. This keeps the answer useful in audits, customer reviews, incidents, supplier reviews, and management review.

  • Name the accountable owner and reviewer for Assurance Evidence.
  • Record the scope, assumptions, decision, approval date, evidence location, exception status, and next review trigger.
  • Escalate when Assurance Evidence changes risk acceptance, service commitments, customer promises, regulatory duties, or certification evidence.
Citations
ISO/IEC 27036-1:2021 standard page

Primary ISO listing that frames assurance evidence as part of supplier relationship security overview, concepts, and reviewable implementation records.

ISO/IEC 27036-2:2022 standard page

Primary ISO listing for supplier and acquirer relationship requirements that supports evidence for implementation, monitoring, review, and improvement.

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Question 2

What evidence should prove Assurance Evidence is current under ISO/IEC 27036?

The evidence should show the process operating. For this artifact, the strongest record usually includes supplier tiering, due diligence, contract clauses, assurance reviews, fourth-party visibility, incident handoffs, monitoring records, and offboarding evidence.

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 27036-2:2022 standard page

Primary ISO listing for supplier and acquirer relationship requirements that supports evidence for implementation, monitoring, review, and improvement.

Question 3

Who should approve Assurance Evidence decisions under ISO/IEC 27036?

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 27036-1:2021 standard page

Primary ISO listing that frames assurance evidence as part of supplier relationship security overview, concepts, and reviewable implementation records.

ISO/IEC 27036-2:2022 standard page

Primary ISO listing for supplier and acquirer relationship requirements that supports evidence for implementation, monitoring, review, and improvement.

Question 4

When should Assurance Evidence be reviewed under ISO/IEC 27036?

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 27036-1:2021 standard page

Primary ISO listing that frames assurance evidence as part of supplier relationship security overview, concepts, and reviewable implementation records.

ISO/IEC 27036-2:2022 standard page

Primary ISO listing for supplier and acquirer relationship requirements that supports evidence for implementation, monitoring, review, and improvement.

Primary sources

References and citations

ISO/IEC 27036-1:2021 standard page
iso.org
Referenced sections
  • Primary ISO listing that frames assurance evidence as part of supplier relationship security overview, concepts, and reviewable implementation records.
"overview of the guidance intended to assist organizations"
ISO/IEC 27036-2:2022 standard page
iso.org
Referenced sections
  • Primary ISO listing for supplier and acquirer relationship requirements that supports evidence for implementation, monitoring, review, and improvement.
"fundamental information security requirements for defining, implementing, operating, monitoring, reviewing, maintaining and improving supplier and acquirer relationships"
ISO/IEC 27036-3:2023 standard page
iso.org
Referenced sections
  • Primary ISO listing for hardware, software, and service supply-chain guidance that supports supply-chain assurance evidence and review records.
"multi-layered hardware, software, and services supply chains"
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