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§ I · Domain DAT · Control 12 of 13
Control
DAT-12
Edition
v.1.3
Status
Public review

DAT · Data Protection & Privacy

DAT-12Embedding and vector store integrity

Embedding and vector storage systems support tamper detection or recomputation. Write access is logged and authenticated. Re-indexing procedures are documented and tested.

Embedding and vector storage systems support tamper detection or recomputation to ensure that the content an agent retrieves has not been maliciously modified. Write access is logged and authenticated under IAM-04. Re-indexing procedures are documented and tested, ensuring that the organization can recover from a compromised vector store.

Table DAT-12.1 · 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.

Tamper detection or recomputation capability is documented; write access is logged; re-indexing procedures have been tested within the documented cadence; unauthorized write attempts are detected and logged.

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

    Tamper detection or recomputation capability is documented.

  2. E.2

    Write access is logged.

  3. E.3

    Re-indexing procedures have been tested within the documented cadence.

  4. E.4

    Unauthorized write attempts are detected and logged.

Table DAT-12.2 · Framework mappings

4 of 7 frameworks carry a control-level reference
SingaporeMAIGF Data, AI Verify Data GovernanceSingapore 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.

Cite this control

Human Intelligence. HI-AAF v1.3, DAT-12 Embedding and vector store integrity. Public review edition, July 2026. https://humanintel.net/standard/dat/dat-12

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

https://humanintel.net/standard/dat/dat-12

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.