Healthcare's HNDL stakes are uniquely severe: PHI is sensitive over patient lifetime, often 60+ years. Encrypted traffic harvested today can be decrypted in the 2030s when those records are still actionable. These scores measure public-surface exposure only — internal east-west traffic, EHR integrations, and backup pipelines amplify these numbers 12-40×.
| # | Domain | Score | Grade | Sector | Freshness |
|---|---|---|---|---|---|
| 1 | cedars-sinai.org | 5.9 | C | — | verified 17h ago |
| 2 | uclahealth.org | 5.4 | C | — | verified 17h ago |
| 3 | uchicagomedicine.org | 4.9 | C | — | verified 17h ago |
| 4 | nyulangone.org | 4.7 | C | — | verified 17h ago |
| 5 | pennmedicine.org | 4.5 | C | — | verified 17h ago |
| 6 | kaiserpermanente.org | 4.4 | C | — | verified 17h ago |
| 7 | stanfordhealthcare.org | 4.4 | C | — | verified 17h ago |
| 8 | mountsinai.org | 4.3 | C | — | verified 17h ago |
| 9 | providence.org | 4.0 | C | — | verified 17h ago |
| 10 | northwestern.edu | 4.0 | C | — | verified 17h ago |
| 11 | clevelandclinic.org | 3.9 | B | — | verified 17h ago |
| 12 | massgeneral.org | 3.9 | B | — | verified 17h ago |
| 13 | mskcc.org | 3.8 | B | — | verified 17h ago |
| 14 | houstonmethodist.org | 3.2 | B | — | verified 17h ago |
| 15 | dukehealth.org | 2.9 | B | — | verified 17h ago |
| 16 | mayoclinic.org | 2.4 | B | — | verified 36m ago |
| 17 | atriumhealth.org | 2.3 | B | — | verified 17h ago |
| 18 | hopkinsmedicine.org | 2.3 | B | — | verified 17h ago |
| 19 | intermountainhealthcare.org | 1.9 | A | — | verified 17h ago |
| 20 | vanderbilthealth.com | 1.9 | A | — | verified 17h ago |
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