UnknownOtherHealth (basic)Low

UW HEALTH - NORTHERN ILLINOIS DIVISION

bd_3d30c8d9148a6973 · schema v1 · pii pii-v2

Severity

Low

Discovered

May 12, 2026

Filed

Jun 1, 2026

To disclose

—

Affected

Withheld by the regulator

Confidence

95%

Full breach record for UW HEALTH - NORTHERN ILLINOIS DIVISION →51 incidents on file

UW HEALTH – NORTHERN ILLINOIS filed a data-breach notice with the Illinois Attorney General in June 2026 (case 26-06-1262). The register records the breach as discovered on May 12, 2026. 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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Incident timeline

May 12, 2026

Discovered

Jun 1, 2026

Filed

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

Name: UW HEALTH - NORTHERN ILLINOIS DIVISION
norm: uw health northern illinois division

Name: UW HEALTH - NORTHERN ILLINOIS DIVISION
norm: uw health northern illinois division
Industry: Otherllm

Discovered: May 12, 2026
Materiality determined: —
Notification sent: —
Affected individuals: Withheld by the regulator
Data types: Health (basic)
Data elements: Medical information
Attack vector: Unknown
Threat actor: External

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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: Jun 1, 2026
Raw hash: de0c814f4ce3f8d47735e2cebf58c930fe6290a38856b909958eb769d998566a

Reporting entityUW HEALTH - NORTHERN ILLINOIS DIVISION

Victim entityUW HEALTH - NORTHERN ILLINOIS DIVISION

Incidentdiscovered May 12, 2026

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedatabreachnoticetoattorneygeneral.illinoisattorneygeneral.gov