This presentation will examine the present and future of Operational Technology (OT) security, addressing the increasing interconnectedness of OT and IT systems and the growing sophistication of cyberattacks. We will explore key challenges, including legacy systems, skills gaps, and the integration of IT and OT security teams. The session will delve into emerging trends, such as AI/ML, edge computing, and 5G, and discuss how these technologies can be leveraged to enhance OT security. We will also explore the importance of collaboration, information sharing, and workforce development in addressing the evolving OT security landscape.