Jefferson County Health Center d/b/a Jefferson County Health Department (MO) reported to HHS on 2023-01-13 a ransomware incident affecting 115,940 individuals. PHI on network servers included names, SSNs, dates of birth, addresses, driver's license numbers, diagnoses, lab results, medications, claims, and financial information. The CE notified HHS, individuals, and media; published substitute notice; offered free credit monitoring; and implemented additional administrative/technical safeguards with staff retraining.
Affected (this filing): 115,940