As a cybersecurity student and professional, you know that in IT, a “denial of service” means a website goes down. In OT, it means the lights go out. Having previously looked at the protocols like Modbus and DNP3 that SCADA systems use to talk, it’s time to see how we protect the very fabric of our physical world. What Is Operational Technology (OT)? Operational technology (OT) refers to hardware and software systems that execute monitoring and/or control over industrial equi