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| 1 | +<!-- codespell:ignore-words-list=PHI,PII,VCs,DIDs,nonce,reentrancy,cloud-native -->,VC,DID,HIPAA,FHIR |
| 2 | +<!-- codespell:ignore-words-list=PHI,PII,VCs,DIDs,nonce,reentrancy,cloud-native --> |
| 3 | +<!-- markdownlint-disable MD013 --> |
| 4 | +# Healthcare and Mental Wellness Security Considerations |
| 5 | + |
| 6 | +## Context |
| 7 | + |
| 8 | +Cloud-native and blockchain-based systems are increasingly used in healthcare and mental wellness. These systems must follow strict privacy and security practices due to the sensitivity of personal health information (PHI/PII). |
| 9 | + |
| 10 | +## Principles |
| 11 | + |
| 12 | +- **Data minimization:** Never place PHI/PII directly on public chains or in unencrypted logs. |
| 13 | +- **Consent workflows:** Use Verifiable Credentials (VCs) and Decentralized Identifiers (DIDs) to manage patient consent off-chain, verifying proofs without exposing raw attributes. |
| 14 | +- **Privacy-preserving analytics:** Apply commitments, zero-knowledge proofs, and aggregation to measure outcomes without leaking individual records. |
| 15 | +- **Incident readiness:** Define break-glass procedures, rotation plans, and clear audit trails. |
| 16 | +- **Mental wellness risk:** Misuse or leakage of mental health data has higher ethical stakes; systems must exceed baseline privacy standards. |
| 17 | + |
| 18 | +## Checklist |
| 19 | + |
| 20 | +- [ ] No PHI/PII in logs, storage, or transactions. |
| 21 | +- [ ] Consent captured via VCs/DIDs with expiration + nonce. |
| 22 | +- [ ] Cloud-native deployments include encryption at rest and in transit. |
| 23 | +- [ ] Break-glass access is gated and logged. |
| 24 | +- [ ] Testing covers reentrancy, replay, and denial-of-service threats in consent flows. |
| 25 | + |
| 26 | +## References |
| 27 | + |
| 28 | +- CNCF TAG-Security docs |
| 29 | +- NIST Privacy Framework |
| 30 | +- HIPAA Security Rule |
| 31 | +- HL7 FHIR Security and SMART on FHIR |
| 32 | +- W3C VC and DID Core |
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