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Dictionary termTrack CStablev2026.2

AI assurance

The process of measuring, evaluating, and communicating the trustworthiness of AI systems through evidence-based mechanisms such as audits, certifications, impact assessments, and conformity declarations.

ByCASRAI Editorial Board
· Last updated 22 Aug 2026
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Examples

Worked examples

  • Is an instance

    A third-party AI-assurance provider certifying a recruitment model against bias-audit standards.

  • Is an instance

    A government procurement requiring AI-assurance documentation as a tender condition.

Counter-examples

Looks similar, but isn't

  • Not an instance

    A self-reported model card with no third-party verification.

  • Not an instance

    A pure cybersecurity penetration test.

Editorial commentary

AI assurance is the practice of producing independently checkable evidence that an AI system behaves as claimed — performs as stated, respects the constraints it is supposed to respect, and is safe and fit for its intended use — rather than simply asserting this via policy or principles. It is the evidentiary/verification layer that risk-management frameworks like the NIST AI RMF point toward but do not themselves provide: a risk-management framework tells an organisation what to check and how to structure the process; assurance mechanisms are how those checks get turned into evidence a third party (a regulator, a funder, a procurement office, an IRB) can actually rely on.

The UK’s Centre for Data Ethics and Innovation (now folded into the Department for Science, Innovation and Technology) set out an early version of this ecosystem in its 2021 ‘Roadmap to an effective AI assurance ecosystem,’ identifying core mechanism types: independent (third-party) audit, internal audit, conformity assessment against a defined standard, performance/impact testing, and formal certification. Since then, ISO/IEC 42001 (2023) has supplied a certifiable AI management-system standard that organisations can be audited against by an accredited body — the clearest current example of a formal AI-assurance mechanism in the sense the roadmap described, comparable in structure to ISO/IEC 27001 for information security.

Why this matters for a research office

Procurement and research-integrity review increasingly ask not just “does this AI tool have a policy” but “what evidence backs that policy” — a model card or a vendor’s own claims are self-reported; an independent audit, a certification, or a documented conformity assessment is assurance in the stricter sense. AI assurance overlaps with, and often reuses methods from, established cyber-assurance and financial-services model-risk-management practice, rather than inventing evaluation methodology from scratch.

References

  • Centre for Data Ethics and Innovation, ‘The roadmap to an effective AI assurance ecosystem’ (2021)
  • ISO/IEC 42001:2023, Artificial intelligence management system
  • UK AI Standards Hub

Also known as

AI assurance ecosystem

Machine-readable encodings

Use in your systems

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Schema.org DefinedTerm (JSON-LD)
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Referenced across the research world

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