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

  • Exam Code: ISA-IEC-62443
  • Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist
  • Updated: Aug 22, 2026
  • Q & A: 221 Questions and Answers

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ISA ISA-IEC-62443 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Industrial Network Security30%- Industrial protocols security
- Threats, vulnerabilities and risk assessment
- Network segmentation and security architecture
Topic 2: Access Control & Identity Management15%- User authentication and authorization
- Security policies and procedures
- Role-based access control
Topic 3: Security Operations & Incident Response20%- Monitoring, maintenance and continuous improvement
- Cybersecurity Management System (CSMS)
- Incident handling and response processes
Topic 4: Industrial Automation and Control Systems (IACS) Overview15%- IACS components, architectures and protocols
- Differences between IT and OT security
- Cybersecurity importance in industrial environments
Topic 5: Security Fundamentals & ISA/IEC 62443 Framework20%- Zones and conduits model
- Core security principles: CIA triad, defense-in-depth
- Foundational security requirements
- Structure and parts of ISA/IEC 62443 standards

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. As related to technical security requirements for IACS components, what does CCSC stand for?

A) Common Component Security Constraints
B) Centralized Component Security Compliance
C) Comprehensive Component Security Controls
D) Common Component Security Criteria


2. A manufacturing plant has inconsistent cybersecurity processes that vary widely across shifts and teams.
According to the maturity levels described in ISA/IEC 62443-2-1, how would this situation be classified?

A) Level 1 - Initial (ad-hoc and undocumented processes)
B) Level 3 - Defined / Practiced (repeatable and documented processes)
C) Level 4 - Improving (quantitatively managed)
D) Level 2 - Managed (documented procedures and training programs)


3. Electronic security, as defined in ANSI/ISA-99.00.01:2007. includes which of the following?
Available Choices (select all choices that are correct)

A) Computers, networks, operating systems, applications, and other programmable configurable components of the system
B) Security guidelines for the proper configuration of IACS computers and operating systems
C) Personnel, policies, and procedures related to the security of computers, networks. PLCs, and other programmable configurable components of the system
D) Security guidelines for the proper configuration of IACS PLCs and other programmable configurable components of the system


4. What must be established as part of the risk assessment process?

A) Increased budget allocation
B) Target Security Level (SL-Ts)
C) New technology implementation
D) Total elimination of risks


5. Which of the following ISA-99 (IEC 62443) Reference Model levels is named correctly?
Available Choices (select all choices that are correct)

A) Level 2: Quality Control
B) Level 1: Supervisory Control
C) Level 4: Process
D) Level 3: Operations Management


Solutions:

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

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