To be clear, the article is talking about attacks on scheduling and management systems, and not the ships or planes directly - not that it's impossible to do so

To be clear, the article is talking about attacks on scheduling and management systems, and not the ships or planes directly - not that it's impossible to do so, but it's an important distinction. We've already seen these types of attacks on oil pipelines, hospitals, etc. It's no surprise that logistics companies are also targets. They're extremely time sensitive and I'm sure would pay a ransom to unlock cryptolocked computers and servers