News & Events

Title:
Temporary Suspension of the ClassNK Academy Website for Maintenance (As of 22 October 2026)



A security vulnerability has recently been reported in PHP, a programming language widely used for websites and other web-based services.
In response, ClassNK has temporarily suspended the ClassNK Academy website to ensure security and verify the safety of the system.

As a result, the following services are currently unavailable:
・Access and login to the ClassNK Academy website
・New course registrations
・Access to and viewing of previously purchased e-Learning content

At present, no unauthorized access or information leakage related to this vulnerability has been confirmed.
Services will be resumed progressively once the maintenance has been completed.
We sincerely apologize for any inconvenience this may cause and appreciate your understanding.

ClassNK - TRC

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