CI is essential to global economy (electricity generation, water supply and oil & gas to telecom, healthcare and much more).
ICS and other operating technologies (OT) increasingly built on open architectures with standardized applications.
Many OT security products on the market originally designed for IT: all, without exception, reside above the PLC/RTU in upper layers of ICS.
all rely on protocols and information received by and passed on from PLC .none are directly connected to main industrial asset (level 0,1), Windows workstations and HMIs are key targets of primary cyber attack: Drives requirement for alternative methods for detecting control and safety system performance abnormalities
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