https://safetyatsea.net/news/2019/first-cyber-management-systemcertification -for-classnk/

Tokyo-headquartered classification society ClassNK has issued its first ever certification for a Cyber Security Management System (CSMS) to NYK Group subsidiary NYK LNG
Shipmanagement Ltd. and its managed liquefied natural gas (LNG) carrier “PACIFIC MIMOSA”. ClassNK released its “Cyber Security Management System for Ships” guide in March 2019, which provides information about ensuring, implementing, maintaining, and continuously improving the cyber security management system of companies and ships with the goal of safe navigation.