ISA/IECISA/IEC 62443IEC 62443: System & Component Security RequirementsEASYFree question
A municipal water utility groups its SCADA master servers, the engineering workstation, and the historian into a single logical grouping that shares the same security requirements. Under IEC 62443 terminology, this grouping is referred to as a:
- A.Conduit
- B.Reference architecture
- C.Trust boundary device
- D.Security zone
Why D is correct
A security zone is a grouping of logical or physical assets that share common security requirements. Communications between zones traverse conduits, which are themselves subject to security requirements and risk assessment.
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