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ISA ISA-IEC-62443

ISA-IEC-62443

Exam Code: ISA-IEC-62443

Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist

Updated: Oct 08, 2026

Q & A: 221 Questions and Answers

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ISA ISA-IEC-62443 Exam Syllabus Topics:

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

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

Question #1
How many security levels are in the ISASecure certification program?
Available Choices (select all choices that are correct)

A. 2
B. 5
C. 3
D. 4


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


Question #3
What is a key activity in the Maintain phase?

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


Question #4
The ISA/IEC 62443 Profiles Group will include parts starting with which number?

A. 4-x
B. 3-x
C. 6-x
D. 5-x


Question #5
Which of the following is a cause for the increase in attacks on IACS?
Available Choices (select all choices that are correct)

A. Knowledge of exploits and tools readily available on the Internet
B. The move away from commercial off the shelf (COTS) systems, protocols, and networks
C. Use of proprietary communications protocols
D. Fewer personnel with system knowledge having access to IACS


Solutions:

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

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