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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Industrial Network Security | 30% | - Industrial protocols security - Network segmentation and security architecture - Threats, vulnerabilities and risk assessment |
| Topic 2: Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Foundational security requirements - Core security principles: CIA triad, defense-in-depth - Structure and parts of ISA/IEC 62443 standards - Zones and conduits model |
| Topic 3: Security Operations & Incident Response | 20% | - Incident handling and response processes - Cybersecurity Management System (CSMS) - Monitoring, maintenance and continuous improvement |
| Topic 4: Access Control & Identity Management | 15% | - User authentication and authorization - Role-based access control - Security policies and procedures |
| Topic 5: Industrial Automation and Control Systems (IACS) Overview | 15% | - Differences between IT and OT security - IACS components, architectures and protocols - Cybersecurity importance in industrial environments |
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NEW QUESTION # 46
What are the four main categories for documents in the ISA-62443 (IEC 62443) series?
Available Choices (select all choices that are correct)
Answer: C
Explanation:
The ISA/IEC 62443 series of standards is organized into four main categories for documents, based on the topics and perspectives that they cover. These categories are: General, Policies and Procedures, System, and Component12.
* General: This category covers topics that are common to the entire series, such as terms, concepts, models, and overview of the standards1. For example, ISA/IEC 62443-1-1 defines the terminology, concepts, and models for industrial automation and control systems (IACS) security3.
* Policies and Procedures: This category focuses on methods and processes associated with IACS security, such as risk assessment, system design, security management, and security program development1. For example, ISA/IEC 62443-2-1 specifies the elements of an IACS security management system, which defines the policies, procedures, and practices to manage the security of IACS4.
* System: This category is about requirements at the system level, such as security levels, security zones, security lifecycle, and technical security requirements1. For example, ISA/IEC 62443-3-3 specifies the system security requirements and security levels for zones and conduits in an IACS5.
* Component: This category provides detailed requirements for IACS products, such as embedded devices, network devices, software applications, and host devices1. For example, ISA/IEC 62443-4-2 specifies the technical security requirements for IACS components, such as identification and authentication, access control, data integrity, and auditability.
The other options are not valid categories for documents in the ISA/IEC 62443 series of standards, as they either do not reflect the structure and scope of the standards, or they mix different aspects of IACS security that are covered by different categories. For example, end-user, integrator, vendor, and regulator are not categories for documents, but rather roles or stakeholders that are involved in IACS security. Assessment, mitigation, documentation, and maintenance are not categories for documents, but rather activities or phases that are part of the IACS security lifecycle. People, processes, technology, and training are not categories for documents, but rather elements or dimensions that are essential for IACS security.
References:
* ISA/IEC 62443 Series of Standards - ISA1
* IEC 62443 - Wikipedia2
* ISA/IEC 62443-1-1: Concepts and models3
* ISA/IEC 62443-2-1: Security management system4
* ISA/IEC 62443-3-3: System security requirements and security levels5
* ISA/IEC 62443-4-2: Technical security requirements for IACS components
NEW QUESTION # 47
In an IACS system, a typical security conduit consists of which of the following assets?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
A security conduit is a logical or physical grouping of communication channels connecting two or more zones that share common security requirements1. A zone is a grouping of systems and components based on their functional, logical, and physical relationship that share common security requirements1. Therefore, a security conduit consists of assets that enable or facilitatecommunication between zones, such as wiring, routers, switches, and network management devices. Controllers, sensors, transmitters, and final control elements are examples of assets that belong to a zone, not a conduit. Ferrous, thickwall, and threaded conduit including raceways are physical structures that may enclose or protect wiring, but they are not part of the communication channels themselves. Power lines, cabinet enclosures, and protective grounds are also not part of the communication channels, but rather provide power or protection to the assets in a zone or a conduit. References: 1: Key Concepts of ISA/IEC 62443: Zones & Security Levels | Dragos
NEW QUESTION # 48
Which is the PRIMARY objective when defining a security zone?
Available Choices (select all choices that are correct)
Answer: C
NEW QUESTION # 49
What are the three main components of the ISASecure Integrated Threat Analysis (ITA) Program?
Available Choices (select all choices that are correct)
Answer: B
NEW QUESTION # 50
Which statement is TRUE reqardinq application of patches in an IACS environment?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
Patches are software updates that fix bugs, vulnerabilities, or improve performance or functionality. Patches are important for maintaining the security and reliability of an IACS environment, but they also pose some challenges and risks. Applying patches in an IACS environment is not as simple as in an IT environment, because patches may affect the availability, integrity, or safety of the IACS. Therefore, patches should not be applied blindly or automatically, but based on the organization's risk assessment. The risk assessment should consider the following factors: 1 The severity and likelihood of the vulnerability that the patch addresses The impact of the patch on the IACS functionality and performance The compatibility of the patch with the IACS components and configuration The availability of a backup or recovery plan in case the patch fails or causes problems The testing and validation of the patch before applying it to the production system The communication and coordination with the stakeholders involved in the patching process The documentation and auditing of the patching activities and results References: ISA TR62443-2-3 - Security for industrial automation and control systems, Part 2-3: Patch management in the IACS environment
NEW QUESTION # 51
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