Skip to content
Human Intelligence seal
Human Intelligence
§ I · Domain MON · Control 4 of 12
Control
MON-04
Edition
v.1.3
Status
Public review

MON · Continuous Monitoring & Human Oversight

MON-04Drift monitoring

Drift monitoring tracks quality scores, refusal rates, and performance on the standing evaluation set over time. Material drift triggers re-assessment under Domain 2.

The agent's behavior is compared against its specification over time through continuous drift monitoring. Quality scores, refusal rates, and performance on the standing evaluation set are tracked. Material drift, a sustained departure from the behavior baseline, triggers re-assessment under Domain 2 and the change-management process under GOV-05.

Table MON-04.1 · Maturity criteria · v.1.3

L1 to L5 · the lowest level in scope caps the agent
L1Ad hoc

Controls exist informally; documentation is incomplete; no consistent review.

L2Documented

Controls are written down; ownership is assigned; review cadence is defined.

L3Operated

Controls are followed in practice; evidence is collected; deviations are tracked.

Drift monitoring is active and tracks the specified metrics; drift thresholds are documented; at least one monitoring cycle has been completed; material drift events have been addressed or no drift has been detected.

L4Measured

Control effectiveness is measured against documented thresholds; trends are reported.

L5Continuously Improved

Controls evolve based on incident learning; maturity gains are evidenced over time.

The v1.3 edition publishes a control-specific criterion at L3 (Operated). The other levels apply the general ladder to this control; see the maturity ladder.

Evidence an assessor asks for

  1. E.1

    Drift monitoring is active and tracks the specified metrics.

  2. E.2

    Drift thresholds are documented.

  3. E.3

    At least one monitoring cycle has been completed.

  4. E.4

    Material drift events have been addressed or no drift has been detected.

Table MON-04.2 · Framework mappings

5 of 7 frameworks carry a control-level reference
NIST AI RMFMANAGE 2.4, MEASURE 3.2NIST AI Risk Management Framework 1.0
ISO/IEC 42001A.9.4ISO/IEC 42001:2023 · Artificial intelligence management system
OWASP LLM Top 10·OWASP Top 10 for Large Language Model Applications
SOC 2 (TSC)CC7.3AICPA Trust Services Criteria for SOC 2 Type II
EU AI ActArt. 14(4)EU AI Act · Regulation (EU) 2024/1689
MITRE ATLAS·MITRE ATLAS · Adversarial Threat Landscape for AI Systems
SingaporeMAIGF Incident ReportingSingapore Model AI Governance Framework / AI Verify / PDPA

Mappings are directional: meeting this control evidences but does not by itself satisfy the external requirement. A middle dot means no control-level reference is published at this edition; see the crosswalk.

Related controls and terms

Cite this control

Human Intelligence. HI-AAF v1.3, MON-04 Drift monitoring. Public review edition, July 2026. https://humanintel.net/standard/mon/mon-04

Edition v.1.3 · July 2026 · Public review · Markdown · PDF

https://humanintel.net/standard/mon/mon-04

Notice

HI-AAF v1.3 is an independent framework published by Human Intelligence. It is not affiliated with NIST, ISO, AICPA, or any government or accreditation body. The framework is offered openly for review during the current draft cycle.