Quantum Health, Inc.
bd_2fccf5512e3736a8 · schema v1 · pii pii-v2
Full breach record for Quantum Health, Inc. →Quantum Health, Inc. detected unauthorized access to its IT network resulting from a user responding to a vishing call on May 29, 2026. The unauthorized party accessed and acquired files between May 29 and June 1, 2026. The incident involved health information, insurance details, and personal data, with possible Social Security number exposure. Quantum Health secured systems, engaged forensics, notified law enforcement, and is offering identity monitoring.
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Incident timeline
May 29, 2026
Begins
Jun 1, 2026
Discovered
Aug 17, 2026
Filed
vs. sector median
on median
Linked disclosures
Why this link?Regulatory filings (8) · sorted by filing gap
- Texas State AGbd_bcba8d4a1d35228f2026-08-18 · +1dVerified
- Washington State AGbd_5b6eaf5624db3f052026-08-14 · +3dVerified
- Oregon State AGbd_94e0ec22967674672026-08-14 · +3dVerified
- California State AGbd_db3f1eec26c6984d2026-08-14 · +3dVerified
Show 4 more filings ↓Show fewer ↑up to 47d gap
- Massachusetts State AGbd_73b571b03dc8be542026-07-30 · +18dVerified
- HHS OCRbd_057652d229111d6b2026-07-29 · +19dVerified
- New Hampshire State AGbd_6fe352feb65bd2de2026-07-29 · +19dVerified
- Illinois State AGbd_e021fcb45440ad832026-07-01 · +47dCandidate
Filing propagation · 9 filings · 9 states
View merged incident ↗Pattern: first filing Jul 1 (IL), last Aug 18 (TX) — a 48-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.