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ISA ISA-IEC-62443 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Topic 1: Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Zones and conduits model
- Foundational security requirements
- Core security principles: CIA triad, defense-in-depth
- Structure and parts of ISA/IEC 62443 standards
|
| Topic 2: Industrial Automation and Control Systems (IACS) Overview | 15% | - Differences between IT and OT security
- Cybersecurity importance in industrial environments
- IACS components, architectures and protocols
|
| Topic 3: Access Control & Identity Management | 15% | - Role-based access control
- User authentication and authorization
- Security policies and procedures
|
| Topic 4: Industrial Network Security | 30% | - Industrial protocols security
- Threats, vulnerabilities and risk assessment
- Network segmentation and security architecture
|
| Topic 5: Security Operations & Incident Response | 20% | - Monitoring, maintenance and continuous improvement
- Cybersecurity Management System (CSMS)
- Incident handling and response processes
|
ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:
Question 1
If a U.S. federal agency must comply with mandatory cybersecurity requirements under law, which document would they be required to follow?
A. EU Cyber Resilience Act
B. NIST FIPS
C. NIST Special Publication 800-171
D. ISA/IEC 62443
Question 2
What is the name of the protocol that implements serial Modbus over Ethernet?
Available Choices (select all choices that are correct)
A. MODBUS/TCP
B. MODBUS/CIP
C. MODBUS/Ethernet
D. MODBUS/Plus
Question 3
What must be established as part of the risk assessment process?
A. Increased budget allocation
B. Total elimination of risks
C. Target Security Level (SL-Ts)
D. New technology implementation
Question 4
Which of the following ISA-99 (IEC 62443) Reference Model levels is named correctly?
Available Choices (select all choices that are correct)
A. Level 2: Quality Control
B. Level 4: Process
C. Level 3: Operations Management
D. Level 1: Supervisory Control
Question 5
Which factor drives the selection of countermeasures?
Available Choices (select all choices that are correct)
A. Security levels
B. Foundational requirements
C. System design
D. Output from a risk assessment
Solutions:
Question 1 Answer: B | Question 2 Answer: A | Question 3 Answer: C | Question 4 Answer: C | Question 5 Answer: D |