The covered entity (CE), Montefiore Medical Center, reported that its business associate experienced a ransomware attack that affected the electronic protected health information (ePHI) of approximately 76,068 individuals. The ePHI involved included names, addresses, dates of birth, and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice.
Change history
Change history
Sep 23, 2026
Added to OCR's archive list
Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights ·about this source
Records are reproduced as published; entity names and figures are OCR's.
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