DisclosureLens
UnknownOtherHealth (basic)Government IDMedium

Deaconess Health System

bd_5c116b54d4faf3e2 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jul 31, 2025

Filed

Oct 1, 2025

To disclose

—

Affected

Withheld by the regulator

Confidence

95%
Full breach record for Deaconess Health System →5 incidents on file

DEACONESS HEALTH SYSTEM filed a data-breach notice with the Illinois Attorney General in October 2025 (case 25-10-543). The register records the breach as discovered on July 31, 2025. 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.

Incident timeline

Jul 31, 2025

Discovered

Oct 1, 2025

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.