Prospect Medical Holdings (Crozer-Keystone Health System)

Crozer-Keystone Health System (Prospect Medical Holdings) reported to HHS on 2020-08-14 a ransomware attack affecting 177,023 individuals. Breached information was located on a Network Server. Exposed ePHI included names, dates of birth, Social Security numbers, lab results, health insurance information, and other treatment information. The CE notified HHS, affected individuals, and the media, and posted substitute notice on its website. Additional technical safeguards were implemented in response.

Affected (this filing): 177,023