DisclosureLens
ILLINOISHackingHealthcareFinancial ServicesHealthcareBusiness Associate (HIPAA)Supply Chain (3P Vendor)Customer Data InvolvedHealth (basic)Identity (basic)LowResolved

Health Care Service Corp

bd_febc6c6b6f7949ac · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Jun 15, 2021

To disclose

—

Affected

543

Confidence

97%
Full breach record for Health Care Service Corp →76 incidents on file

Health Care Service Corporation (HCSC), a health plan based in IL, reported to HHS on 2021-06-15 a Hacking/IT Incident affecting 543 individuals. A vendor of its business associate experienced a cyber-attack that compromised PHI, including names, birthdates, diagnoses, claims information, and other treatment information, located on a Network Server. HCSC notified HHS, affected individuals, the media, and posted substitute notice. The CE and BA implemented additional safeguards and retrained all staff.

HIPAA clock✓ HHS notified
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Jun 15, 2021

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed543 affectedView 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.