Marathon Petroleum’s CISO on OT security automation, supply chain risk

<p>In this interview with Help Net Security, Mary Rose Martinez, CISO at Marathon Petroleum, talks about what happens to security when automation reaches deep into refineries, pipelines, and terminals. She explains why the old idea of air-gapped operational technology has faded, how the Purdue model helps her team apply controls without stopping production, and where supply chain risk sits when vendors and their vendors hold the keys. …