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8ce0f27 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | # KYE™ Data Classification Vocabulary
Data classification labels are used in scopes, policies, and obligations to constrain what data classes an action may touch.
This document defines **names only**. Tagging rules and policy semantics are part of the normative specification.
| Class | Meaning |
|---|---|
| `public` | Public information |
| `internal` | Internal to the organization |
| `confidential` | Confidential information |
| `restricted` | Restricted access required |
| `secret` | Secret information |
| `classified` | Classified under formal classification regimes |
| `pii` | Personally identifiable information |
| `ephi` | Electronic protected health information |
| `cardholder_data` | Payment cardholder data |
| `financial_data` | Financial data |
| `operational_technology_data` | Operational technology data |
| `defense_data` | Defense-related data |
| `export_controlled_data` | Export-controlled data |
| `safety_critical_data` | Safety-critical data |
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