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Last Updated: Nov 04, 2026
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ISA ISA-IEC-62443 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Understanding the Current Industrial Security Environment | - Current state of industrial control systems security - Convergence of IT and OT - Security challenges in OT environments |
| Addressing Risk with Security Policy, Organization, and Awareness | - Security policies and procedures - Organizational security roles and responsibilities - Security awareness and training |
| Risk Analysis | - Risk management fundamentals - Cybersecurity risk assessment concepts - Risk and vulnerability analysis techniques |
| Creating A Security Program | - Developing a long-term security program - Security management organization - Defining information security policy |
| Monitoring and Improving the CSMS | - Security lifecycle management - Incident detection and response - Continuous monitoring of IACS cybersecurity |
| Validating or Verifying the Security of Systems | - Auditing and compliance - Continuous improvement of security measures - Security validation and verification techniques |
| Addressing Risk with Selected Security Counter Measures | - Patch management - Firewalls and network security devices - Anti-virus and endpoint protection - Virtual Private Networks (VPNs) |
| How Cyberattacks Happen | - Case studies of industrial cyber incidents - Cyber threats and attack vectors - Vulnerabilities in industrial systems |
| Addressing Risk with Implementation Measures | - Zones and conduits model - Access control principles - Industrial network architecture and segmentation - Defense-in-depth strategy |
ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:
What should the identification analysis of discovered vulnerabilities determine?
- A. User interface improvements
- B. Marketing strategy for the product
- C. Root cause analysis
- D. The cost of patch development
Correct Answer: C 🗳️
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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. Reference architecture
- B. Asset model
- C. Reference model
- D. Zone model
Correct Answer: C 🗳️
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What is Modbus?
- A. A programming language
- B. A type of industrial machinery
- C. A network security standard
- D. A serial communications protocol
Correct Answer: D 🗳️
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Which of the following is a recommended default rule for IACS firewalls?
Available Choices (select all choices that are correct)
- A. Block all traffic by default.
- B. Allow all traffic by default.
- C. Allow IACS devices to access the Internet.
- D. Allow traffic directly from the IACS network to the enterprise network.
Correct Answer: A 🗳️
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Which is a role of the application layer?
Available Choices (select all choices that are correct)
- A. Delivers and formats information, possibly with encryption and security
- B. Provides the mechanism for opening, closing, and managing a session between end-user application processes
- C. Includes protocols specific to network applications such as email, file transfer, and reading data registers in a PLC
- D. Includes user applications specific to network applications such as email, file transfer, and reading data registers in a PLC
Correct Answer: A,C 🗳️
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