today's IT security is "all about" patching and avoiding dataleaks, OT (Operational Technology) is about keeping the systems going predictably - by keeping systems isolated and stable. As the 4th industrial revolution wants to digitize industry, these two mindsets collide. What can we learn from each other? and how has costly experiences throughout the years created the safety and reliability culture pervasive in today's industry? A tongue-in cheek attempt at provoking both sides to learn from each other.