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

  • Exam Code: ISA-IEC-62443
  • Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist
  • Updated: Sep 27, 2026     Q & A: 221 Questions and Answers

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ISA ISA-IEC-62443 Exam Syllabus Topics:

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

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

Question #1

What are the connections between security zones called?
Available Choices (select all choices that are correct)

  • A. Tunnels
  • B. Conduits
  • C. Firewalls
  • D. Pathways
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #2

According to the scheme for cybersecurity profiles, which of the following is true about ISA/IEC 62443 security requirements when creating a security profile?

  • A. Existing security requirements can be modified to fit the sector needs.
  • B. New security requirements can be added freely.
  • C. No new requirements are allowed, and existing ones are not modified.
  • D. Only foundational requirements can be changed.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #3

What type of security level defines what a component or system is capable of meeting?
Available Choices (select all choices that are correct)

  • A. Target security level
  • B. Design security level
  • C. Achieved security level
  • D. Capability security level
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #4

In which layer is the physical address assigned?
Available Choices (select all choices that are correct)

  • A. Layer 7
  • B. Layer 1
  • C. Layer 3
  • D. Layer 2
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #5

Multiuser accounts and shared passwords inherently carry which of the followinq risks?
Available Choices (select all choices that are correct)

  • A. Privilege escalation
  • B. Race conditions
  • C. Buffer overflow
  • D. Unauthorized access
Reveal Solution  Discussion  0

Correct Answer: A,D  🗳️

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