Quantum Health, Inc. — May 2026 breach

Clustered 9 filings across 9 jurisdictions · filing window Jul 29, 2026 → Aug 18, 2026 (dated filings only). View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

9 filings

States

Affected · reported

625,945

First → last dated filing

Jul 29, 2026 → Aug 18, 2026

Merge confidence

100%

incident inc_86f67d1d6b8e42e7 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 9 regulatory filings. Intrusion May 29, 2026–Jun 1, 2026, discovered Jun 1, 2026. 625,945 individuals reported across the linked filings. Data reported: Government ID, Health (basic), Identity (basic), and 2 more. Notifications rolled out on a 20-day schedule across 8 dated filings beginning Jul 29, 2026. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Discovery variance

56days

Range of discovered_at dates across filings

Filing span

20days

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 clocksOregon✗ OR AG >45dCalifornia✗ CA 30-day late · 56dMassachusetts⏱ MA AG >30dWashington⏱ WA AG >30dHIPAA✓ HHS notifiedSouth Carolina✓ SC CRA notice dueTexas✓ TX AG ≤30dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

The weekly clock on records like this one

The Disclosure Clock is a weekly briefing on what landed in the disclosure record, and the gap between the criminals' post and the regulator's filing — measured on the whole record, with the method shown.

Weekly. Double opt-in, one-click unsubscribe, and the address goes nowhere else.