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ClassNK Releases Updated Cyber Security Management System Guidelines

First seen 5 Oct 2026, 19:02 UTC • •
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ThreatCluster •October 5, 2026 at 19:03 UTC
  • •ClassNK has released updated guidelines for its Cyber Security Management System.
  • •The guidelines provide assessment criteria for audits and align with external requirements.
  • •A handbook for NK-CSMS audits will be available soon to assist ship management companies.

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.

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Timeline

2026-10-05
ClassNK releases updated CSMS guidelines
ClassNK announced the latest version of its Cyber Security Management System guidelines, focusing on effective cyber security management for ships.
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Common questions

What do the updated guidelines cover?
The updated guidelines outline assessment criteria for audits and provide mapping material for compliance with external requirements.
How will these guidelines affect ship management companies?
The guidelines will help streamline compliance processes and improve the effectiveness of cyber security management onboard ships.
Is there additional support available for implementing these guidelines?
Yes, ClassNK is preparing a 'Handbook for NK-CSMS Audits' to assist companies with operational matters related to the guidelines.