DisclosureLens
ILLINOISHackingHealthcareHealthcareBusiness Associate (HIPAA)Customer Data InvolvedPHIHealth (basic)Identity (basic)Government IDFinancialCriticalContained

Health Care Service Corp

bd_e334dcecbe41d651 · schema v1 · pii pii-v1

Severity

Critical

Discovered

—

Filed

Aug 21, 2023

To disclose

—

Affected

220,913

Linked

2 filings

Confidence

69%
Full breach record for Health Care Service Corp →76 incidents on file

Health Care Service Corporation reported to HHS on 2023-08-21 a Hacking/IT Incident affecting 220,913 individuals. Breached information located on Network Server. A business associate experienced a cyber-attack compromising PHI including names, addresses, SSNs, and claims data.

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

Aug 21, 2023

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
Indiana State AGAug 21 · first
HHS OCRAug 21 · first · this page

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.