DisclosureLens
UnknownHealthcareHealthcareFinancial accountIdentity (basic)Government IDPHIHealth (basic)Critical

Highlands Oncology Group PA

bd_2ae199a4db46ef0e · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jun 2, 2025

Filed

Aug 4, 2025

To disclose

9 weeks

Affected · nationwide

113,575504 in this filing

Linked

7 filings

Confidence

95%
Full breach record for Highlands Oncology Group PA2 incidents on file

Highlands Oncology Group PA (“Highlands Oncology”) based in Springdale, Arkansas, a healthcare – medical provider entity reported a data breach to the Texas Attorney General. The breach was discovered on 2025-06-02 and reported on 2025-08-04. 504 Texas residents were affected. 113,575 individuals affected in total. Types of information involved: Name of individual;Social Security Number Information;Driver’s License number;Government-issued ID number (e.g. passport, state ID card);Financial Information (e.g. account number, credit or debit card number);Medical Information;Health Insurance Information;Date of Birth. Consumers were notified via U.S. Mail.

Texas clock TX AG >30d9 weeks discovery → filing
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

undetected · 132 days
discovery → filing · ≤ 9 weeks / 63 days

Jan 21, 2025

Begins

Jun 2, 2025

Discovered

Aug 4, 2025

Filed

vs. sector median

3 wks faster

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Show 2 more filingsup to 3d gap

Filing propagation · 7 filings · 7 states

View merged incident ↗
HHS OCRAug 1 · first
Illinois State AGAug 1 · first
Nebraska State AGAug 1 · first
Maine State AGAug 1 · first
Texas State AG+3d · 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.