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

  • Exam Code: ISA-IEC-62443
  • Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist
  • Updated: Aug 06, 2026
  • Q & A: 221 Questions and Answers

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ISA ISA-IEC-62443 Exam Syllabus Topics:

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

1. Which of the following provides the overall conceptual basis in the design of an appropriate security program?
Available Choices (select all choices that are correct)

A) Zone model
B) Asset model
C) Reference model
D) Reference architecture


2. Which of the following activities is NOT listed under the "Patch Testing" phase in the asset owner requirements?

A) Qualification and verification
B) Removal procedure
C) File authenticity
D) Notification


3. Which is an important difference between IT systems and IACS?
Available Choices (select all choices that are correct)

A) The IT security priority is availability.
B) IACS cybersecurity must address safety issues.
C) The IACS security priority is integrity.
D) Routers are not used in IACS networks.


4. What is a key activity in the Maintain phase?

A) Designing cybersecurity countermeasures
B) Allocating assets to security zones
C) Risk assessment
D) Managing changes


5. Which of the following PRIMARILY determines access privileges for user accounts?
Available Choices (select all choices that are correct)

A) Common practice
B) Users' desire for ease of use
C) Authorization security policy
D) Technical capability


Solutions:

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

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