Data Sensitivity

March 6, 2026 · View on GitHub

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Guardrails and fix patterns for handling sensitive or regulated data inside enterprise knowledge pipelines. Use this page when your AI or RAG workflow may expose PII, PHI, financial records, or other protected content.

When to use this page

  • Retrieval pulls names, emails, addresses, or identifiers into model context.
  • Generated answers expose financial numbers or personal data without redaction.
  • Compliance requires specific handling for GDPR, HIPAA, or SOC2.
  • Data contracts missing sensitivity tags or enforcement rules.

Core acceptance targets

  • Sensitive fields explicitly tagged in schema (pii:true, phi:true, sensitivity:high).
  • No unredacted PII/PHI present in model outputs unless explicitly authorized.
  • Audit logs record every sensitive field access.
  • Redaction filters applied before long-term storage.

Typical sensitivity problems → exact fix

SymptomLikely causeOpen this
PII leaks into retrieval contextMissing sensitivity metadata in indexdata-contracts.md
Model answers contain personal identifiersNo redaction filter on outputretrieval-traceability.md
High similarity matches pull private recordsEmbeddings not normalized or index not segmentedembedding-vs-semantic.md
Inconsistent handling of sensitive fields across environmentsSchema drift and missing contractscontext-drift.md

Fix in 60 seconds

  1. Add sensitivity tags to your ingestion schema: 
    {
  "field": "email",
  "pii": true,
  "sensitivity": "high"
}


2. **Apply redaction filter** before passing data to the model. Replace `@domain.com` emails with `"***"`.
3. **Segment sensitive indexes** from general knowledge. Use separate retrievers.
4. **Enforce cite-then-explain**. Require citations for sensitive data, and log ΔS plus λ\_state.

---

## Copy-paste probe template

```txt
I uploaded TXTOS and WFGY Problem Map.

Run my retrieval for this query:
- Detect if any PII/PHI appears in snippet fields.
- If yes, apply redaction or enforce sensitivity contract.
- Return JSON log with snippet_id, sensitivity_tags, ΔS, λ_state.
- Fail the output if PII is not redacted.
```

---

## Escalate when

* Same query alternates between redacted and unredacted outputs.
* Sensitive fields appear in logs without an `audit_hash`.
* Compliance review shows schema fields without sensitivity tags.

Use [bootstrap-ordering.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/bootstrap-ordering.md) to verify ingestion happens in the correct order and [ops/debug\_playbook.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/ops/debug_playbook.md) for deeper runtime tracing.

---

### 🔗 Quick-Start Downloads

| Tool                       | Link                                                                                                                                       | 3-Step Setup                                                                             |
| -------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------- |
| **WFGY 1.0 PDF**           | [Engine Paper](https://github.com/onestardao/WFGY/blob/main/I_am_not_lizardman/WFGY_All_Principles_Return_to_One_v1.0_PSBigBig_Public.pdf) | 1️⃣ Download · 2️⃣ Upload to your LLM · 3️⃣ Ask “Answer using WFGY + <your question>”    |
| **TXT OS (plain-text OS)** | [TXTOS.txt](https://github.com/onestardao/WFGY/blob/main/OS/TXTOS.txt)                                                                     | 1️⃣ Download · 2️⃣ Paste into any LLM chat · 3️⃣ Type “hello world” — OS boots instantly |

---

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### Explore More

| Layer | Page | What it’s for |
| --- | --- | --- |
| ⭐ Proof | [WFGY Recognition Map](/recognition/README.md) | External citations, integrations, and ecosystem proof |
| ⚙️ Engine | [WFGY 1.0](/legacy/README.md) | Original PDF tension engine and early logic sketch (legacy reference) |
| ⚙️ Engine | [WFGY 2.0](/core/README.md) | Production tension kernel for RAG and agent systems |
| ⚙️ Engine | [WFGY 3.0](/TensionUniverse/EventHorizon/README.md) | TXT based Singularity tension engine (131 S class set) |
| 🗺️ Map | [Problem Map 1.0](/ProblemMap/README.md) | Flagship 16 problem RAG failure taxonomy and fix map |
| 🗺️ Map | [Problem Map 2.0](/ProblemMap/wfgy-rag-16-problem-map-global-debug-card.md) | Global Debug Card for RAG and agent pipeline diagnosis |
| 🗺️ Map | [Problem Map 3.0](/ProblemMap/wfgy-ai-problem-map-troubleshooting-atlas.md) | Global AI troubleshooting atlas and failure pattern map |
| 🧰 App | [TXT OS](/OS/README.md) | .txt semantic OS with fast bootstrap |
| 🧰 App | [Blah Blah Blah](/OS/BlahBlahBlah/README.md) | Abstract and paradox Q&A built on TXT OS |
| 🧰 App | [Blur Blur Blur](/OS/BlurBlurBlur/README.md) | Text to image generation with semantic control |
| 🏡 Onboarding | [Starter Village](/StarterVillage/README.md) | Guided entry point for new users |

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