Pomona Valley Hospital Medical Center
bd_e239572e227ca8ea · schema v1 · pii pii-v1
Full breach record for Pomona Valley Hospital Medical Center →Pomona Valley Hospital Medical Center notified patients of a security incident at a vendor's subcontractor. In late November 2023, an unauthorized third party accessed a patient-management tool and encrypted files containing protected health information (PHI), including names, medical record numbers, dates of birth, and clinical details. The hospital confirmed the breach on February 1, 2024, after the vendor provided additional information. The hospital engaged third-party experts, stopped using the affected vendor, and is assisting impacted individuals.
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Incident timeline
Nov 1, 2023
Begins
Nov 27, 2023
Discovered
Mar 22, 2024
Filed
vs. sector median
+4 wks slower
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- Montana State AGbd_b4a7ed85516495282024-03-22Verified
- HHS OCRbd_f77d0fe48b631e8c2024-03-20 · +2dCandidate
Filing propagation · 3 filings · 2 states
View merged incident ↗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.