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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Industrial Network Security | 30% | - Network segmentation and security architecture - Industrial protocols security - Threats, vulnerabilities and risk assessment |
| Topic 2: Access Control & Identity Management | 15% | - User authentication and authorization - Role-based access control - Security policies and procedures |
| Topic 3: Industrial Automation and Control Systems (IACS) Overview | 15% | - Cybersecurity importance in industrial environments - IACS components, architectures and protocols - Differences between IT and OT security |
| Topic 4: Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Core security principles: CIA triad, defense-in-depth - Zones and conduits model - Structure and parts of ISA/IEC 62443 standards - Foundational security requirements |
| Topic 5: Security Operations & Incident Response | 20% | - Cybersecurity Management System (CSMS) - Incident handling and response processes - Monitoring, maintenance and continuous improvement |
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NEW QUESTION # 96
What is defined as the hardware and software components of an IACS?
Available Choices (select all choices that are correct)
Answer: A
NEW QUESTION # 97
What change was introduced in the second edition (2024) of ISA-62443-2-1 compared to the first edition (2010)?
Answer: A
Explanation:
The second edition (2024) of ISA/IEC 62443-2-1 introduced a significant structural improvement by eliminating duplication of Information Security Management System (ISMS) requirements. The first edition (2010) contained content that overlapped substantially with ISO/IEC 27001-style ISMS controls, leading to redundancy and unnecessary implementation burden.
In the updated edition, ISA clarified that 62443-2-1 is not intended to replace a general-purpose ISMS, but rather to extend and specialize it for Industrial Automation and Control Systems (IACS). As a result, duplicated ISMS clauses were removed or streamlined, and the focus shifted to IACS-specific risks, operational realities, and lifecycle concerns.
This change improves:
* Compatibility with existing enterprise ISMS implementations
* Clarity of roles between IT security governance and OT security management
* Practical adoption by asset owners operating both IT and OT environments Importantly, supply chain security, lifecycle management, and organizational governance were not removed.
Instead, they were better aligned and referenced to avoid redundancy. The PDCA model remains implicit but was not newly introduced in 2024.
Thus, the defining change is the elimination of duplicated ISMS requirements, making Option B correct.
NEW QUESTION # 98
According to ISA/IEC TR 62443-1-5, which documents can be referenced when creating a security profile?
Answer: D
Explanation:
ISA/IEC TR 62443-1-5 provides formal guidance on the creation and structure of cybersecurity profiles within the ISA/IEC 62443 framework. A security profile is intended to tailor existing requirements to a specific industry sector, application, or use case without altering the integrity of the base standard.
Step 1: Purpose of a security profile
The technical report clarifies that profiles are selections and combinations of existing requirements, not a mechanism to invent new controls. Profiles ensure consistent application of ISA/IEC 62443 while addressing sector-specific risk, regulatory, or operational needs.
Step 2: Authorized source documents
TR 62443-1-5 explicitly states that security profiles may reference requirements from:
* ISA/IEC 62443-2-1 (asset owner security program requirements)
* ISA/IEC 62443-2-4 (service provider requirements)
* ISA/IEC 62443-3-3 (system security requirements)
* ISA/IEC 62443-4-1 (secure product development lifecycle)
* ISA/IEC 62443-4-2 (technical component requirements)
These documents collectively cover organizational, system, and component security.
Step 3: Why other options are incorrect
* Limiting profiles to only Parts 3-3 and 4-1 excludes governance and lifecycle requirements.
* Parts 1-1 and 1-2 are foundational and definitional, not requirement sources.
* Referencing standards outside the 62443 family violates the intent of maintaining internal consistency.
Step 4: Standard integrity
By restricting profiles to these documents, ISA ensures profiles remain interoperable, auditable, and certifiable.
Thus, Option C is the only correct answer.
NEW QUESTION # 99
The Risk Analysis category contains background information that is used where?
Available Choices (select all choices that are correct)
Answer: B
NEW QUESTION # 100
What is defined as the hardware and software components of an IACS?
Available Choices (select all choices that are correct)
Answer: A
Explanation:
According to the ISA/IEC 62443-1-1 standard, an industrial automation and control system (IACS) is defined as a collection of personnel, hardware, and software that can affect or influence the safe, secure, and reliable operation of an industrial process. The hardware and software components of an IACS include the control system, which is the combination of control devices, networks, and applications that perform the control functions for the industrial process. The control system may consist of various types of devices, such as distributed control systems (DCS), programmable logic controllers (PLC), supervisory control and data acquisition (SCADA) systems, human-machine interfaces (HMI), remote terminal units (RTU), intelligent electronic devices (IED), sensors, actuators, and other field devices. The control system may also use commercial off-the-shelf (COTS) software and hardware, such as operating systems, databases, firewalls, routers, switches, and servers, to support the control functions and communication.
References:
ISA/IEC 62443-1-1:2009, Security for industrial automation and control systems - Part 1-1: Terminology, concepts and models, Clause 3.2.11 ISA/IEC 62443-2-1:2010, Security for industrial automation and control systems - Part 2-1: Establishing an industrial automation and control systems security program, Clause 3.2.12
NEW QUESTION # 101
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