WikiFrameworksISO/IEC 42001:2023Intended use of the AI system

Intended use of the AI system

Updated: 2026-02-23

Plain English Translation

Organizations must establish clear boundaries detailing precisely how an AI system should and should not be used, and then actively enforce these parameters. This ensures the AI system operates safely within the context it was originally evaluated for, preventing unauthorized applications or 'mission creep' that could introduce unassessed risks and violate ISO/IEC 42001 certification requirements.

Executive Takeaway

Enforcing the documented intended use of AI systems is critical to maintaining safe operations, mitigating compliance risks, and preventing unauthorized scope expansion.

ImpactHigh
ComplexityMedium

Why This Matters

  • Prevents unassessed risks and regulatory violations resulting from unintended AI applications.
  • Maintains the validity of the original AI system impact assessments by confining the system to its approved operating parameters.
  • Protects the organization's reputation and limits liability by actively mitigating foreseeable misuse.

What “Good” Looks Like

  • Comprehensive acceptable use policies and documentation clearly defining the approved purposes for all deployed AI tools; tools like WatchDog Security's Policy Management can help maintain version-controlled policies and track attestations.
  • Active monitoring, access controls, and logging to quickly detect and flag out-of-bounds usage.
  • A formal change management process that requires new risk assessments before an AI system's use case can be expanded; tools like WatchDog Security's Risk Register can track scope changes with owners, treatment plans, and approvals.

In the context of ISO 42001 A.9.4 intended use requirements, it refers to the specific, documented purpose, operational context, and boundaries for which an AI system was designed, risk-assessed, and formally approved to function.

Organizations must clearly articulate the AI system's purpose, acceptable data inputs, and operational limitations within system architecture documents, user manuals, and the corporate acceptable use policy. Tools like WatchDog Security's Policy Management can help keep these documents version-controlled and track acknowledgements, while WatchDog Security's Compliance Center can map them to ISO/IEC 42001 and retain audit-ready evidence.

Intended use defines the approved, safe applications of the system designed to meet business objectives. Foreseeable misuse refers to how users might intentionally or accidentally apply the system improperly—scenarios the organization must actively identify and mitigate to prevent harm.

Auditors expect evidence for intended use controls such as approved system documentation outlining the purpose, correlated with system access logs, output activity logs, and records of periodic user access reviews that prove actual usage conforms to the approved parameters. Tools like WatchDog Security's Compliance Center can help automate evidence collection and correlate approvals, access reviews, and logs to Annex A.9.4 to reduce manual audit preparation.

To prevent AI model misuse and mission creep, organizations must enforce a strict change management process where any proposed deviation from the original intended use requires a new AI risk assessment and formal management approval before deployment. Tools like WatchDog Security's Risk Register can capture proposed expansions as tracked risks with treatment actions and approvals, and WatchDog Security's Compliance Center can help ensure the updated assessment and evidence are attached to the control.

Organizations should use role-based access control (RBAC) to ensure that only authorized personnel have access to specific AI systems, and their permissions should be limited strictly to the capabilities necessary for their approved, intended tasks.

ISO 42001 controls for AI system use and monitoring recommend maintaining continuous event logs for system inputs and outputs, paired with automated alerts that trigger when anomalous data types or unexpected usage patterns violate the defined operational boundaries.

Such deviations should immediately trigger the organization's incident response plan, initiating a root cause investigation, suspension of unauthorized access, and a review to determine if the breach caused harm or violated ISO/IEC 42001 certification requirements.

Intended use parameters should be reviewed during scheduled management reviews, or immediately upon any material change to the AI system's underlying models, data sources, or business application environment.

Defining the intended use is a fundamental prerequisite for accurate risk management; you can only effectively perform an AI risk assessment or impact assessment when you know exactly how, where, and by whom the system is supposed to be used.

When AI tools spread across teams, new “shadow” use cases can appear without updated risk assessment or approvals, creating mission creep and untracked compliance exposure. Tools like WatchDog Security's Asset Inventory can help discover AI-related SaaS and map identities to owners, while WatchDog Security's Compliance Center can link each system to its documented intended use and highlight missing evidence or reviews.

Audit-readiness typically requires showing that intended use is documented, communicated, and enforced with supporting logs, access reviews, and change approvals. Tools like WatchDog Security's Compliance Center can centralize evidence collection and control mapping for Annex A.9.4, and WatchDog Security's Trust Center can help share approved evidence packages with external parties under access controls.

ISO-42001 Annex A.9.4

"The organization shall ensure that the AI system is used according to the intended uses of the AI system and its accompanying documentation."

ISO-42001 Annex B.9.4

"The AI system should be deployed according to the instructions and other documentation associated with the AI system (see B.8.2)."

ISO-42001 Annex B.9.4

"The organization should keep event logs or other documentation related to the deployment and operation of the AI system which can be used to demonstrate that the AI system is being used as intended or to help with communicating concerns related to the intended use of the AI system."

VersionDateAuthorDescription
1.0.02026-02-23WatchDog Security GRC TeamInitial publication