Home Privacy & Data Security Great Plains Health Has Recovered 80% of Systems Impacted by November 2019 Ransomware Attack Great Plains Health Has Recovered 80% of Systems Impacted by November 2019 Ransomware Attackadmin Jan 21, 2020 0 Comments Great Plains Health in North Platte, NE, experienced a ransomware attack in November 2019 which saw its network encrypted.