HHS OCRState AGConfirmed3 filings · 3 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedhigh sensitivity
Merged incident · 3 filings
Highlands Oncology Group PA — September 2023 breach
Clustered 3 filings across 3 jurisdictions · filing window Jan 1, 2023 → Dec 29, 2023. View entity profile → Other incidents for this victim →
⚠ 2 cross-filing discrepancies →Merge100%
incident inc_514e2c8bc3ce44fc · merged by deterministic · confidence 100%
Confirmed breach. Merged as one breach: 3 regulatory filings. The filings describe malware. Intrusion Sep 25, 2023–Sep 26, 2023, discovered Sep 25, 2023. 55,297 individuals reported across the linked filings. Data reported: Government ID, PHI, Health (basic), and 2 more. Notifications rolled out on a 362-day schedule across 3 filings beginning Jan 1, 2023. Each member filing remains the legal record for its jurisdiction.
Litigation Timing
Discovery variance
1days
Range of discovered_at dates across filings
Filing span
362days
Time between earliest and latest filing
Not recorded for this incident
Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.
Regulatory clocksHIPAA✓ HHS notifiedFull clock table in Litigation Timeline
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