A group known for infecting a Saudi petrochemical plant with highly sophisticated industrial control malware has targeted the same type of systems inside the United States, according to new research by ICS-focused cybersecurity startup Dragos. The group behind the malware, which Dragos refers to as “Xenotime,” has expanded their operations to include attacks on multiple undisclosed U.S. companies. The malware shows similarities to what’s commonly known as Trisis, which was used in an attack last year in Saudi Arabia. While Trisis exploited one particular industrial control system, researchers say a new variant impacts a variety of safety instrumented systems. Safety instrumented systems, or SIS for short, are hardware and software controls that protect large-scale industrial processes and equipment typically found in nuclear, petrochemical or manufacturing plants. There are few companies who create and manage SIS systems, including but not limited to St. Louis-based Emerson, New Jersey-based Honeywell, and Tokyo-based Yokogawa. Dragos has […]
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