{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-16T13:36:43.315Z",
  "record_id": "VXI-EXT-PROCUREMENT-SNOWFLAKE-MASK-01-v1",
  "record_kind": "external_reference",
  "title": "Snowflake masking: Query context and retained data",
  "system": "Snowflake",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Does Snowflake Dynamic Data Masking replace the underlying sensitive values?",
  "near_questions": [
    "Does Snowflake masking alter stored source values?",
    "Can an authorized role still see plaintext?",
    "Which execution context controls masking?",
    "Is this an Enterprise account?",
    "Which table columns have policies attached?",
    "Are views covered by the intended policy?",
    "Does a partial mask expose useful fragments?",
    "Can role hierarchy change the result?",
    "Does a masked sample cover service identities?",
    "What source version was reviewed?",
    "Which buyer query evidence remains missing?",
    "Can I save the query-context boundary?"
  ],
  "supported_claims": [
    {
      "claim": "Dynamic Data Masking applies policy at query time. Depending on conditions, execution context and role hierarchy, a query can receive raw, partial or fully masked values. The feature requires Enterprise Edition or higher. Its presence does not establish erasure of source values or the effective output for every identity.",
      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "Verified buyer configuration or effective access rights",
    "Independent execution, completeness or security testing",
    "Vendor certification, legal compliance or guaranteed suitability"
  ],
  "public_summary": "Dynamic Data Masking applies policy at query time. Depending on conditions, execution context and role hierarchy, a query can receive raw, partial or fully masked values. The feature requires Enterprise Edition or higher. Its presence does not establish erasure of source values or the effective output for every identity.",
  "related_record_ids": [],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "Snowflake Dynamic Data Masking",
    "source_url": "https://docs.snowflake.com/en/user-guide/security-column-ddm-intro",
    "checked_on": "2026-10-16",
    "candidate_record_id": "VXI-EXT-PROCUREMENT-SNOWFLAKE-MASK-01-v1",
    "candidate_record_sha256": "7ab23596d9156aee371a328fa024736607b3341bea28fc0de52c8a43cadd5152",
    "method": "Primary documentation reviewed for the published bounded statement.",
    "deployment_tested_by_varexis": false,
    "revalidation": "The delivered snapshot preserves the review date shown. Recheck current primary documentation and deployment context before relying on present applicability; payment does not trigger fresh research."
  },
  "answer_policy": {
    "classification": "DOCUMENTED_WITH_DEPLOYMENT_BOUNDARY",
    "bounded_answer": "Dynamic Data Masking applies policy at query time. Depending on conditions, execution context and role hierarchy, a query can receive raw, partial or fully masked values. The feature requires Enterprise Edition or higher. Its presence does not establish erasure of source values or the effective output for every identity.",
    "required_buyer_context": "Edition, columns, masking logic, execution context and role hierarchy. Effective configuration and dated operational evidence have not been inspected.",
    "missing_evidence": "A broader claim needs evidence matching the intended use. Payment does not upgrade the evidence state."
  },
  "private_boundary": "Raw logs, thresholds, private paths, source code, protected mechanisms and reconstruction-level details are excluded from public and paid delivery.",
  "decision_profile": {
    "schema": "varexis-vendor-evidence-review/1",
    "review_status": "documentation_review_only",
    "checked_on": "2026-10-16",
    "claim_to_check": "A masking policy removes raw values and masks every user identically.",
    "documented_statement": {
      "status": "documented",
      "statement": "Dynamic Data Masking applies policy at query time. Depending on conditions, execution context and role hierarchy, a query can receive raw, partial or fully masked values. The feature requires Enterprise Edition or higher. Its presence does not establish erasure of source values or the effective output for every identity.",
      "source_ids": [
        "snowflake"
      ]
    },
    "buyer_evidence_required": [
      "Edition and column-policy attachment.",
      "Policy logic and effective role hierarchy.",
      "Representative query results for intended identities."
    ],
    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Inspect the actual query identity and policy before accepting a universal masking claim."
    },
    "unknowns": "The buyer configuration, contract, effective entitlement and operational evidence have not been inspected. Missing evidence does not establish absence or failure of the feature.",
    "evidence_sources": [
      {
        "source_id": "snowflake",
        "url": "https://docs.snowflake.com/en/user-guide/security-column-ddm-intro",
        "final_url": "https://docs.snowflake.com/en/user-guide/security-column-ddm-intro",
        "title": "Snowflake Dynamic Data Masking",
        "checked_on": "2026-10-16",
        "sha256": "8cb5bf891223f869ba99d8a54afed68d08cc76af07e438b311c6d9528e9a8a94",
        "bytes": 177587
      }
    ],
    "observed_deployment": false,
    "commercial_reliance_boundary": "Procurement evidence support only; no supplier clearance, legal conclusion, configuration audit or verification of the buyer's claim is supplied.",
    "paid_value": {
      "decision_context": "Retain the documented masking basis for an analytical-access decision.",
      "free": "Complete review, practical questions, sources and limitations; may be saved locally.",
      "single_request": "Existing server-saved version-bound route snapshot for later authenticated retrieval.",
      "evidence_receipt": "The same snapshot plus the existing unsigned delivery receipt.",
      "excluded": [
        "Fresh vendor research",
        "Continuous monitoring or change alerts",
        "Testing the buyer configuration",
        "Private evidence or vendor certification"
      ],
      "integrity": "Hashes identify content versions; they do not prove truth or provide a signature."
    },
    "revalidation": {
      "trigger": "A saved purchase does not recheck the source or buyer configuration.",
      "specific_watch": "Edition, columns, masking logic, execution context and role hierarchy."
    }
  },
  "paid_access_note": "The full published answer and boundaries are free. Paid access saves the selected route and source versions, with an unsigned receipt when purchased. Preview coverage before paying. Fresh research, bespoke assessment and protected evidence are excluded.",
  "service_route": {
    "request_guide": "/varexis-index/request.html",
    "request_workflow": "/varexis-index/request-workflow.json",
    "service_id": "single_request",
    "service_routes_url": "/varexis-index/service-routes.json",
    "payment_required": true,
    "availability_endpoint": "/api/index/capabilities",
    "operational_status": "AUTOMATIC_SERVICE_CAPABILITIES_GATED",
    "checkout_url": "/index-access"
  },
  "authority_boundary": "VAREXIS-INDEX informs evidence reliance. It does not provide advice, certification, deployment authority, security assurance, production approval, or guarantee.",
  "human_page": "/varexis-index/catalog.html#snowflake-masking-context-not-source-erasure",
  "machine_readable_record": "/varexis-index/records/snowflake-masking-context-not-source-erasure.json"
}