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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Access Control & Identity Management | 15% | - Role-based access control - User authentication and authorization - Security policies and procedures |
| Topic 2: Industrial Network Security | 30% | - Network segmentation and security architecture - Industrial protocols security - Threats, vulnerabilities and risk assessment |
| Topic 3: Industrial Automation and Control Systems (IACS) Overview | 15% | - IACS components, architectures and protocols - Differences between IT and OT security - Cybersecurity importance in industrial environments |
| Topic 4: Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Foundational security requirements - Zones and conduits model - Structure and parts of ISA/IEC 62443 standards - Core security principles: CIA triad, defense-in-depth |
| Topic 5: Security Operations & Incident Response | 20% | - Cybersecurity Management System (CSMS) - Monitoring, maintenance and continuous improvement - Incident handling and response processes |
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NEW QUESTION # 153
Which is NOT a potential consequence for organizations that fail to prioritize control system security?
Answer: B
Explanation:
Decreased energy consumption is not a consequence of poor control system security. In fact, security breaches often lead to increased (not decreased) energy consumption due to inefficiencies, system downtime, or damage. Real consequences of failing to prioritize control system security include personal injury (due to process hazards), unauthorized data access, theft or misuse, and violation of regulations (with possible legal penalties).
Reference: ISA/IEC 62443-1-1:2007, Section 4.4; ISA/IEC 62443-2-1:2009, Section 4.2.2 (Potential Consequences Table).
NEW QUESTION # 154
Which of the following staff is NOT mentioned as a stakeholder in the CSMS Program?
Answer: A
Explanation:
Within the context of the Cyber Security Management System (CSMS) as defined in ISA/IEC 62443-2-1, the primary stakeholders include operations staff (responsible for system operations), IT security staff (for information technology and cybersecurity controls), and physical security staff (for site access and physical barriers). Marketing staff are not typically listed as stakeholders in the design, implementation, or maintenance of the CSMS, since their role does not directly influence the security posture of industrial control systems. This is outlined in the roles and responsibilities sections of the standard.
Reference: ISA/IEC 62443-2-1:2009, Section 4.3.2 ("CSMS Program Stakeholders" and Table 1 - Typical Stakeholders).
NEW QUESTION # 155
Which is an important difference between IT systems and IACS?
Available Choices (select all choices that are correct)
Answer: B
NEW QUESTION # 156
Which is a role of the application layer?
Available Choices (select all choices that are correct)
Answer: C,D
Explanation:
The application layer is the topmost layer of the OSI model, which provides the interface between the user and the network. It includes protocols specific to network applications such as email, file transfer, and reading data registers in a PLC. These protocols deliver and format information, possibly with encryption and security, to ensure reliable and meaningful communication between different applications. The application layer does not include user applications, which are separate from the network protocols. The application layer also does not provide the mechanism for opening, closing, and managing a session between end-user application processes, which is the function of the session layer. References:
* ISA/IEC 62443 Cybersecurity Fundamentals Specialist Study Guide, page 181
* Using the ISA/IEC 62443 Standards to Secure Your Control System, page 82 The application layer in network protocols, such as in the OSI model or the TCP/IP protocol suite, is primarily responsible for providing services directly to user applications. This layer is involved in:
* Option A: Including protocols specific to network applications such as email, file transfer, and industrial protocols like reading data registers in a Programmable Logic Controller (PLC). This is a core function of the application layer as it facilitates specific high-level networking capabilities.
* Option D: Delivering and formatting information, which can include encryption and ensuring the security of data as it is transmitted across the network. This includes protocols like HTTP for web browsing which can encrypt data via HTTPS, SMTP for secure email transmission, and FTP for secure file transfer.
NEW QUESTION # 157
What are the connections between security zones called?
Available Choices (select all choices that are correct)
Answer: A
NEW QUESTION # 158
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