Guidelines for Cyber Security Management System for Ships (Via ClassNK)

www.classnk.or.jp • October 5, 2026

ClassNK certifies that the Cyber Security Management System established and operated by a company is functioning effectively both within the company and onboard its ships, with the highest priority placed on ensuring the safe operation of ships.

ClassNK has also issued the “Guidelines for Cyber Security Management System for Ships” as a guideline for this certification.

Guidelines for Cyber Security Management System for Ships

Handbook for NK-CSMS Audits

To facilitate the smooth application of the various requirements set out in the guideline by ship management companies, ClassNK has prepared the “Handbook for NK-CSMS Audits.” The handbook provides specific information on operational matters.

Handbook for NK-CSMS Audits (coming soon)

ClassNK publishes the following documents for NK-CSMS.

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

ClassNK Releases Updated Cyber Security Management System Guidelines On October 5, 2026, ClassNK announced the release of the latest version of its Cyber Security Management System (CSMS) guidelines for ships. The updated guidelines outline assessment criteria for audits and provide practical mapping material for certificate holders to align with external vetting requirements. These guidelines aim to enhance the effectiveness of cyber security management both onboard ships and within companies. ClassNK emphasizes the importance of ensuring safe ship operations through effective cyber security measures. The guidelines are designed to streamline compliance with various external requirements, allowing companies to prepare for audits more efficiently. The release also includes a forthcoming 'Handbook for NK-CSMS Audits' to assist ship management companies in operational matters. 1 sources 25

Extracted Entities

Companies (1)

ClassNK