Exam ISA-IEC-62443 Topic 1 Question 88 Discussion

Actual exam question for ISA's ISA-IEC-62443 exam
Question #: 88
Topic #: 1
Which ISA/IEC 62443 part covers technical security requirements used by product suppliers, integration service providers, and asset owners?

Suggested Answer: D Vote an answer

ISA/IEC 62443-4-2 specifies technical security requirements (TSRs) for individual IACS components such as:
Embedded devices
Software applications
Network components
Host devices
These TSRs are relevant for product suppliers who design the components, integration service providers who implement them, and asset owners who operate them.
"This standard specifies the technical security requirements for components used in an IACS, and is applicable to product suppliers, system integrators, and asset owners responsible for security implementation."
- ISA/IEC 62443-4-2:2018, Clause 1 - Scope
The 62443-3-3 standard complements it by specifying system-level requirements, while 62443-2-4 focuses on service providers and 62443-2-1 on security program management.
References:
ISA/IEC 62443-4-2:2018 - Clause 1
ISA/IEC 62443-4-2 - Table 1: Component types and SRs
ISA/IEC 62443-1-1 - Roles and document mapping

by Marico at Jul 07, 2026, 06:45 AM

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