This article about twelve ICS cyber security predictions for 2018 seems fairly practical:

More details about ransomware damage cost predictions for the 5 year period will be revealed in a report that Cybersecurity Ventures intends to publish in 2018.

Two cybersecurity specialists, Eddie Habibi, CEO of PAS and Edgard Capdevielle, CEO of Nozomi Networks share with us their predictions ICS Security in 2018.What does 2018 hold for ICS cybersecurity?

Expect to see more comprehensive ICS cybersecurity policies offered.

Edgard Capdevielle, CEO of Nozomi Networks outlines his predictions for ICS cybersecurity in 2018.

Organizations grappling with ICS cybersecurity staffing and skills shortages are turning to AI solutions to achieve security and productivity goals.

The shortage of ICS cybersecurity skills will open the door for vendors to provide full security services.

ICS Insecurity Will Manifest Itself – Organizations are nowhere near as ready to combat critical infrastructure threats and will realize many truths: they don’t have a clear understanding of what assets they own; proper ICS cybersecurity hygiene is much harder to achieve than in IT networks; air-gapping is a fallacy; and organizations don’t possess the necessary personnel skills, their teams aren’t talking to one another and they aren’t currently monitoring their networks the way they should.