Home Privacy & Data Security Nebraska Healthcare System Ransomware Attack Impacts 48,000 Patients Nebraska Healthcare System Ransomware Attack Impacts 48,000 Patientsadmin Oct 09, 2019 0 Comments The Omaha, NE-based 14-hospital health system, CHI Health, has experienced a ransomware attack in which the protected health information of approximately 48,000 patients has potentially been compromised.