UnknownOtherHealth (basic)Low

Huron Regional Medical Center

bd_65c1c1f2a817e010 · schema v1 · pii pii-v2

Severity

Low

Discovered

Aug 21, 2025

Filed

Sep 1, 2025

To disclose

—

Affected

Withheld by the regulator

Linked

6 filings

Confidence

95%

Full breach record for Huron Regional Medical Center →

HURON REGIONAL MEDICAL CENTER, INC. filed a data-breach notice with the Illinois Attorney General in September 2025 (case 25-09-428). The register records the breach as discovered on August 21, 2025. Personal information types reported: medical information. 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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Leak gap clock⏱ Leak >90d

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

Aug 21, 2025

Discovered

Sep 1, 2025

Filed

This filing is one of 6 about the same incident.View merged incident

A leak claim by beast about this victim predates this filing by 93 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitebeastbd_842ffccecd8ab0662025-05-31 · +93dVerified by operator

Regulatory filings (4) · sorted by filing gap

Nebraska State AGbd_3ea19d5c9ef017182025-09-09 · +8dVerified by operator
Montana State AGbd_66d03a5c496bc2bc2025-09-09 · +8dVerified by operator
Indiana State AGbd_e800de1151eea1cf2025-09-09 · +8dVerified by operator
HHS OCRbd_765748f8067991912025-06-06 · +87dVerified

Name: Huron Regional Medical Center
norm: huron regional medical center
Domain: huronregional.org

Name: Huron Regional Medical Center
norm: huron regional medical center
Domain: huronregional.org
Industry: Otherllm

Discovered: Aug 21, 2025
Materiality determined: —
Notification sent: —
Affected individuals: Withheld by the regulator
Data types: Health (basic)
Data elements: Medical information
Attack vector: Unknown

Compliance flags: Leak >90d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

HHS OCRJun 6 · first

Illinois State AG+87d · this page

Nebraska State AG+95d

Montana State AG+95d

Indiana State AG+95d

Pattern: first filing Jun 6 (SD), last Sep 9 (IN) — a 95-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.

Source URL: https://databreachnoticetoattorneygeneral.illinoisattorneygeneral.gov/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 1, 2025
Raw hash: a9c559535ae0f314981c4facf8cb1e26f5ab4731a54de9d2be3b87cad20af39e

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityHuron Regional Medical Center

Victim entityHuron Regional Medical Center

Incidentdiscovered Aug 21, 2025

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancedatabreachnoticetoattorneygeneral.illinoisattorneygeneral.gov