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

ISA-IEC-62443

Exam Code: ISA-IEC-62443

Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist

Updated: Aug 30, 2026

Q & A: 221 Questions and Answers

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ISA ISA-IEC-62443 Exam Syllabus Topics:

SectionObjectives
Topic 1: Risk Analysis- Risk management fundamentals
- Cybersecurity risk assessment concepts
- Risk and vulnerability analysis techniques
Topic 2: Addressing Risk with Implementation Measures- Access control principles
- Industrial network architecture and segmentation
- Zones and conduits model
- Defense-in-depth strategy
Topic 3: Creating A Security Program- Security management organization
- Defining information security policy
- Developing a long-term security program
Topic 4: How Cyberattacks Happen- Vulnerabilities in industrial systems
- Cyber threats and attack vectors
- Case studies of industrial cyber incidents
Topic 5: Addressing Risk with Security Policy, Organization, and Awareness- Organizational security roles and responsibilities
- Security policies and procedures
- Security awareness and training
Topic 6: Validating or Verifying the Security of Systems- Continuous improvement of security measures
- Auditing and compliance
- Security validation and verification techniques
Topic 7: Addressing Risk with Selected Security Counter Measures- Anti-virus and endpoint protection
- Firewalls and network security devices
- Virtual Private Networks (VPNs)
- Patch management
Topic 8: Monitoring and Improving the CSMS- Incident detection and response
- Security lifecycle management
- Continuous monitoring of IACS cybersecurity
Topic 9: Understanding the Current Industrial Security Environment- Current state of industrial control systems security
- Convergence of IT and OT
- Security challenges in OT environments

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

Question 1

What do the tiers in the NIST CSF represent?

A. Categories of cybersecurity threats
B. An organization's cybersecurity profile
C. Stages of incident response
D. Different types of cybersecurity software


Question 2

Who must be included in a training and security awareness program?
Available Choices (select all choices that are correct)

A. Vendors and suppliers
B. All personnel
C. Temporary staff
D. Employees


Question 3

What is a key feature of the NIS2 Directive?

A. It focuses solely on physical security regulations.
B. It eliminates the need for public-private partnerships.
C. It establishes a cyber crisis management structure.
D. It mandates compliance with all standards.


Question 4

Why is OPC Classic considered firewall unfriendly?
Available Choices (select all choices that are correct)

A. OPC Classic is an obsolete communication standard.
B. OPC Classic is allowed to use only port 80.
C. OPC Classic uses DCOM, which dynamically assigns any port between 1024 and 65535.
D. OPC Classic works with control devices from different manufacturers.


Question 5

How should patching be approached within an organization?

A. Only after a cyberattack has occurred
B. As a purely technical task with no business implications
C. As part of the broader risk management strategy
D. By ignoring downtime and costs


Solutions:

Question 1
Answer: B
Question 2
Answer: B
Question 3
Answer: C
Question 4
Answer: C
Question 5
Answer: C

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