Ship Security Management Systems (ISPS)
The infamous terrorist attacks on the World Trade Center in New York on 11 September 2001 were the preface to the following. Chapter XI-2 Special Measures to Enhance Maritime Security was adopted by the IMO as a new chapter in the SOLAS Convention, The International Ship and Port Facility Security (ISPS) Code, referred to in this new chapter of SOLAS, came into effect on 1 July 2004.
All passenger ships and cargo ships of 500 GT and above, engaged in international voyages must conform with the Code and will be required to possess an International Ship Security Certificate (ISSC).
ClassNK conducts such audits on behalf of flag Administrations and issues International Ship Security Certificate (ISSC) under their authority. ClassNK boasts one of the largest shares of registered ships in the world according to the International Association of Classification Society (IACS). And ClassNK conducts approval of Ship Security Plan (SSP) on behalf of flag Administrations also.

ClassNK offers services for the above audits and certifications under PrimeManagement.
Handbook
Checklists
| Form No. | Name of Form |
|---|---|
| MS-SELF-CHK-SHIP-e | Self-Checklist for Shipboard Security System |
| MS-SELF-CHK-IISSC-e | Self-Checklist of Audit for Issuing Interim ISSC |
| MS-SELF-CHK-SHIP-Japan | Self-Checklist for Shipboard Security Audit (Japan) |
| MS-SELF-CHK-SSAS | Self-Checklist for Survey of Ship Security Alert System (SSAS) |
| MS-SELF-CHK-SSAS-j | Self-Checklist of Ship Security Alert System (SSAS) for Japanese flag ship |
| MS-SELF-CHK-SSP-e | Self-Checklist for SSP |
| MS-SELF-CHK-PSC-e | Self-Checklist for Port State Control (ISPS Code related) |
ISPS Code
Ship Security Assessment
Best Management Practices
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BMP MARITIME SECURITY published in March 2025
(BMP Maritime Security replaces any existing global or regional guidance issued or supported by the signatories.) PDF
Existing guidance
- BMP5 Best Management Practices to Deter Piracy and Enhance Maritime Security in the Red Sea, Gulf of Aden, Indian Ocean and Arabian Sea
- Global Counter Piracy Guidance for Companies, Masters and Seafarers
- BMP West Africa / Best Management Practices to Deter Piracy and Enhance Maritime Security off the Coast of West Africa including the Gulf of Guinea