Operators and managers need to implement simple and practical procedures to mitigate the greatest risk, which is malware carried on board on USB drives and spread on the ship’s network. So, “how” is it best to address this threat. 

Sensitive areas like the wheelhouse, cargo, and engine control room can be declared as security areas. Any kind of media storage device, including private mobile phones, should be banned from these areas. Where possible unprotected USB ports on devices should be disabled or blocked. Only an approved protected connection between an external storage device and this critical equipment can sufficiently reduce the risk of infection. 

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