Shipowners should update their onboard computer systems to the latest Windows operating system to avoid viral disruptions to IT networks. However, upgrading of some onboard systems can be costly so they usually remain using legacy operating systems such as Windows XP.
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Ericsson business director Douglas Watson said blockchain technology could be used to prevent non-authorised people making changes to online documents. The company’s biggest customer is Maersk Line, which operates more than 400 container ships and is working with IBM to develop blockchain maritime products.