When the TRITON (aka TRISIS) attack struck three refining sites in the Middle East in November of 2017, it was the first known cyber incident to target safety instrumented systems (SIS), specifically Schneider Electric’s Triconex gear. The consequences of these attacks were plant-wide shutdowns. While such shutdowns are costly, the consequences could have been far worse. Refineries rely on correctly functioning SIS equipment to prevent worker casualties and environmental disasters in the face of both … Continue reading Microsegmentation for refining safety systems