[PB-36] Investigate backup and restore methods for electronic medical record data as a ransomware countermeasure

*Yukimitsu Okumura¹, Higuchi Tatsuya¹, Miyamoto Keisuke¹, Honda Satoshi² (1. Information Management Entities Nagoya Ekisaikai hospital, 2. 1st Medical Affairs Division Nagoya Ekisaikai hospital)