NORTHWESTERN MEMORIAL HEALTHCARE
117 disclosures across 1 jurisdictions · 2024-02-01 → 2026-02-01. Severity score: 123 across 117 incidents (max per incident: crit=4 high=3 med=2 low=1; per-filing sum: 123).
Scope. This scorecard covers filings naming this entity record. Related records are scored separately: NORTHWESTERN MEMORIAL HOSPITAL (subsidiary record).
1825-day window · this entity as victim
none in window
no clock evaluations
max per incident · per-filing sum: 123
No sector cohort is available for this entity — its filings carry no NAICS sector, or the cohort is too small to describe without identifying individual filers.
Compliance timing by regulator
Notice timing computed from the dates recorded in each filing — an indicative estimate from an automated clock, not a legal determination. Click any chip for this entity's source filings.
No compliance evaluations in this window.
us-il — no notification-clock framework implemented for this jurisdiction
Discovery dates behind these clocks: 100 ag web form. Only a date the notification letter itself states is fully defensible; a date derived from another field makes the verdict indicative.
Regulators holding filings from this entity
Every regulator that has received a visible filing naming this entity, all time — filings first.
- Illinois State AG (121)
- HHS OCR (3)
- HHS OCR (1)
- Indiana State AG (1)
Breach History (5-Year Lookback)
Historical incident recurrence, cumulative exposure, and per-jurisdiction compliance record
within lookback window
late notice filings
median days between incidents
Cumulative data type exposure
Disclosure timeline
Most-recent 100 filings. Click a row to open the disclosure detail.
| Filed | Source | Jurisdiction | Severity | Affected | Clocks missed |
|---|---|---|---|---|---|
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Medium | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Medium | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Medium | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Medium | — | |
| 2026-02-01 | state_ag | us-il | Medium | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — | |
| 2026-02-01 | state_ag | us-il | Low | — |