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Updated: Sep 03, 2026
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ISA ISA-IEC-62443 Exam Overview:
| Certification Vendor: | ISA (International Society of Automation) |
|---|---|
| Exam Name: | ISA/IEC 62443 Cybersecurity Fundamentals Specialist Exam |
| Exam Number: | ISA-IEC-62443 |
| Exam Duration: | 120 minutes |
| Certificate Validity Period: | 3 years |
| Passing Score: | 70% - 75% |
| Exam Format: | Multiple Choice Questions |
| Exam Price: | Included in course fee; $1,995 - $2,495 USD |
| Available Languages: | English |
| Real Exam Qty: | 75 - 100 |
| Related Certifications: | ISA/IEC 62443 Cybersecurity Risk Assessment Specialist ISA/IEC 62443 Cybersecurity Maintenance Specialist ISA/IEC 62443 Cybersecurity Design Specialist |
| Recommended Training: | IC32: Using ISA/IEC 62443 Standards to Secure Your Control Systems |
| Exam Registration: | ISA Official Registration |
| Sample Questions: | ISA ISA-IEC-62443 Sample Questions |
| Exam Way: | Online proctored / Onsite at authorized test centers |
| Pre Condition: | No mandatory prerequisites; recommended: 1–3 years of experience in cybersecurity or industrial automation environment |
| Official Syllabus URL: | https://www.isa.org/certification/certificate-programs/isa-iec-62443-cybersecurity-certificate-program |
ISA ISA-IEC-62443 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Access Control & Identity Management | 15% | - User authentication and authorization - Security policies and procedures - Role-based access control |
| Security Operations & Incident Response | 20% | - Incident handling and response processes - Cybersecurity Management System (CSMS) - Monitoring, maintenance and continuous improvement |
| Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Core security principles: CIA triad, defense-in-depth - Foundational security requirements - Zones and conduits model - Structure and parts of ISA/IEC 62443 standards |
| Industrial Automation and Control Systems (IACS) Overview | 15% | - Differences between IT and OT security - Cybersecurity importance in industrial environments - IACS components, architectures and protocols |
| Industrial Network Security | 30% | - Industrial protocols security - Threats, vulnerabilities and risk assessment - Network segmentation and security architecture |
ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:
Question 1
Electronic security, as defined in ANSI/ISA-99.00.01:2007. includes which of the following?
Available Choices (select all choices that are correct)
A. Security guidelines for the proper configuration of IACS PLCs and other programmable configurable components of the system
B. Computers, networks, operating systems, applications, and other programmable configurable components of the system
C. Security guidelines for the proper configuration of IACS computers and operating systems
D. Personnel, policies, and procedures related to the security of computers, networks. PLCs, and other programmable configurable components of the system
Question 2
Which of the following is an example of a device used for intrusion detection?
A. Switch
B. Router
C. Host-based IDS
D. Firewall
Question 3
What is Modbus?
A. A network security standard
B. A programming language
C. A type of industrial machinery
D. A serial communications protocol
Question 4
According to ISA/IEC TR 62443-1-5, which documents can be referenced when creating a security profile?
A. Only ISA/IEC 62443-3-3 and 4-1
B. ISA/IEC 62443-2-1, 2-4, 3-3, 4-1, and 4-2
C. Any cybersecurity standard outside the ISA/IEC 62443 series
D. Only ISA/IEC 62443-1-1 and 1-2
Question 5
Which layer is responsible for error checking and MAC addressing?
A. Transport
B. Network
C. Data link
D. Application
Solutions:
| Question 1 Answer: B,D | Question 2 Answer: C | Question 3 Answer: D | Question 4 Answer: B | Question 5 Answer: C |
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