ISA ISA-IEC-62443 : ISA/IEC 62443 Cybersecurity Fundamentals Specialist

  • Exam Code: ISA-IEC-62443
  • Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist
  • Updated: Aug 13, 2026
  • Q & A: 221 Questions and Answers

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ISA ISA-IEC-62443 Exam Syllabus Topics:

SectionWeightObjectives
Industrial Automation and Control Systems (IACS) Overview15%- IACS components, architectures and protocols
- Cybersecurity importance in industrial environments
- Differences between IT and OT security
Access Control & Identity Management15%- Security policies and procedures
- Role-based access control
- User authentication and authorization
Security Operations & Incident Response20%- Incident handling and response processes
- Cybersecurity Management System (CSMS)
- Monitoring, maintenance and continuous improvement
Industrial Network Security30%- Network segmentation and security architecture
- Threats, vulnerabilities and risk assessment
- Industrial protocols security
Security Fundamentals & ISA/IEC 62443 Framework20%- Foundational security requirements
- Structure and parts of ISA/IEC 62443 standards
- Core security principles: CIA triad, defense-in-depth
- Zones and conduits model

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. Which ISA/IEC 62443 part covers technical security requirements used by product suppliers, integration service providers, and asset owners?

A) ISA/IEC 62443-2-1
B) ISA/IEC 62443-3-3
C) ISA/IEC 62443-2-4
D) ISA/IEC 62443-4-2


2. What is the purpose of ISO/IEC 15408 (Common Criteria)?
Available Choices (select all choices that are correct)

A) To define a security management organization
B) To describe a process for risk management
C) To describe what constitutes a secure product
D) To define a product development evaluation methodology


3. A company is developing an automation solution and wants to align its cybersecurity efforts with ISA/IEC
62443 standards. Which lifecycle phases should be integrated into their project plan to cover both security and automation solution security comprehensively?

A) All phases
B) Design and Implement phases
C) Verification and Validation phase only
D) Operate and Maintain phases exclusively


4. Which of the ISA 62443 standards focuses on the process of developing secure products?
Available Choices (select all choices that are correct)

A) 62443-1-1
B) 62443-3-2
C) 62443-4-1
D) 62443-3-3


5. Which is a common pitfall when initiating a CSMS program?
Available Choices (select all choices that are correct)

A) Immediate jump into detailed risk assessment
B) Failure to relate to the mission of the organization
C) Insufficient documentation due to lack of good follow-up
D) Organizational lack of communication


Solutions:

Question # 1
Answer: B
Question # 2
Answer: D
Question # 3
Answer: A
Question # 4
Answer: C
Question # 5
Answer: A

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