What triggers a change in security protocols at ports and ships?

A change in security protocols at ports and ships is primarily triggered by changes in MARSEC (Maritime Security) levels. MARSEC is a system used to assess the security threat level and determines the appropriate security measures that should be implemented to ensure the safety and security of maritime operations.

When a MARSEC level changes, it reflects the assessment of potential threats or vulnerabilities related to maritime security. For example, if there is an increase in the assessed level of threat, stricter security measures are enforced, which may include increased screening of cargo, additional personnel for security checks, or more rigorous access control procedures at ports. This system is designed to be responsive to changing threats, ensuring that security measures are proportional to the level of risk present at any given time.

While other factors, such as notifications from shipping associations, new treaties, or reports from passengers, can influence security practices, they do not serve as the primary trigger for systematic changes in security protocols in the way that MARSEC levels do. Changes in MARSEC levels are formalized and established through the appropriate security authorities and reflect an overarching assessment of risk, making them the most critical determinant for modifying security measures in the maritime environment.