UChicago Medicine Medical Group
bd_6a6c15405a09f790 · schema v1 · pii pii-v2
Full breach record for UChicago Medicine Medical Group →UCHICAGO MEDICINE MEDICAL GROUP filed a data-breach notice with the Illinois Attorney General in May 2025 (case 25-05-168). The register records the breach as discovered on July 5, 2024. Personal information types reported: medical information, ssn. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.
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Incident timeline
Jul 5, 2024
Discovered
May 1, 2025
Filed
Linked disclosures
Why this link?Regulatory filings (3) · sorted by filing gap
- Massachusetts State AGbd_4662282c408533242025-05-23 · +22dVerified
- Indiana State AGbd_82f8b62638bd67672025-05-23 · +22dVerified
- HHS OCRbd_936e4718fa51638f2025-05-23 · +22dVerified
Filing propagation · 4 filings · 3 states
View merged incident ↗Pattern: first filing May 1 (IL), last May 23 (IL) — a 22-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.