A plan which contains measures on board designed to protect persons on board, cargo, cargo transport units, ship stores, or the ship from the risk of a security incident is called:

Answer & Explanation

The correct answer is Option B: Ship Security Plan (SSP).

This definition precisely describes the purpose and scope of a Ship Security Plan (SSP) as required by the ISPS Code. The SSP outlines shipboard measures, procedures, and responsibilities for protecting against security threats to personnel, cargo, stores, and the ship itself.