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| Section | Objectives |
|---|---|
| Topic 1: ISA/IEC 62443 Framework Overview | - Key terminology and concepts (zones, conduits, security levels) - Structure and purpose of IEC 62443 standards |
| Topic 2: Risk and Security Management | - Security lifecycle management in industrial systems - Risk assessment principles |
| Topic 3: Policies, Procedures, and Governance | - Compliance and governance considerations - Security policies for industrial control systems |
| Topic 4: Industrial Network and System Security | - Network segmentation and architecture security - Asset identification and protection |
| Topic 5: Introduction to Industrial Cybersecurity | - Overview of IT vs OT security concepts - Fundamentals of cybersecurity in industrial environments |
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NEW QUESTION # 167
Which standard is recognized as part of the NIST CSF Informative References?
Answer: C
Explanation:
ISA/IEC 62443 is listed as an "Informative Reference" in the NIST Cybersecurity Framework (CSF). The NIST CSF provides cross-references to a number of standards and guidelines, including ISO/IEC 27001, NIST SP 800-53, and ISA/IEC 62443, to help organizations implement cybersecurity controls using globally recognized frameworks tailored for industrial and critical infrastructure environments.
Reference: NIST Cybersecurity Framework v1.1, Appendix A (Informative References Table); NIST CSF online informative references mapping tool.
NEW QUESTION # 168
What is a key feature of the NIS2 Directive?
Answer: C
Explanation:
The NIS2 Directive, an update to the European Union's cybersecurity directive, introduces several new requirements, including the establishment of a cyber crisis management framework at both national and EU levels. This is designed to coordinate effective responses to major cybersecurity incidents and crises. NIS2 goes beyond mandating compliance or focusing only on physical security and emphasizes collaboration between the public and private sectors.
Reference: NIS2 Directive (Directive (EU) 2022/2555), Articles 9-11, and official ENISA documentation.
NEW QUESTION # 169
An industrial facility wants to ensure that only authorized communication reaches its PLCs while minimizing disruption to time-sensitive control processes. Which type of firewall would BEST suit this need?
Answer: C
Explanation:
ISA/IEC 62443 recommends protocol-aware security controls for IACS networks to protect real-time communications.
Step 1: ICS protocol awareness
IACS-specific firewalls understand industrial protocols such as Modbus, DNP3, and IEC 61850, allowing precise control without breaking deterministic behavior.
Step 2: Deep packet inspection (DPI)
DPI enables inspection of commands and function codes, blocking unauthorized actions while allowing legitimate traffic.
Step 3: Why other options are unsuitable
General-purpose firewalls lack protocol awareness. Data diodes restrict bidirectional control. Basic packet filters cannot inspect commands.
Therefore, the correct choice is IACS-specific firewall with deep packet inspection.
NEW QUESTION # 170
Which of the following tools has the potential for serious disruption of a control network and should not be used on a live system?
Available Choices (select all choices that are correct)
Answer: D
Explanation:
A vulnerability scanner is a tool that scans a network or a system for known vulnerabilities, such as misconfigurations, outdated software, or weak passwords. A vulnerability scanner can provide valuable information for improving the security posture of a system, but it can also cause serious disruption of a control network if used on a live system. This is because a vulnerability scanner may generate a large amount of network traffic, consume system resources, trigger alarms, or even crash devices by exploiting vulnerabilities.
Therefore, a vulnerability scanner should not be used on a live system without proper authorization and precautions. A vulnerability scanner should only be used on a test or isolated network, or during a scheduled maintenance window with minimal impact on the system operation. References: ISA/IEC 62443 Standards to Secure Your Industrial Control System, Module 5: Assessing the Current Security Level, Slide 25.
NEW QUESTION # 171
What do the tiers in the NIST CSF represent?
Answer: A
NEW QUESTION # 172
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