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| Section | Objectives |
|---|---|
| Topic 1: Validating or Verifying the Security of Systems | - Auditing and compliance - Continuous improvement of security measures - Security validation and verification techniques |
| Topic 2: Addressing Risk with Selected Security Counter Measures | - Anti-virus and endpoint protection - Firewalls and network security devices - Patch management - Virtual Private Networks (VPNs) |
| Topic 3: Monitoring and Improving the CSMS | - Incident detection and response - Security lifecycle management - Continuous monitoring of IACS cybersecurity |
| Topic 4: Creating A Security Program | - Security management organization - Developing a long-term security program - Defining information security policy |
| Topic 5: Addressing Risk with Security Policy, Organization, and Awareness | - Security awareness and training - Security policies and procedures - Organizational security roles and responsibilities |
| Topic 6: Understanding the Current Industrial Security Environment | - Convergence of IT and OT - Security challenges in OT environments - Current state of industrial control systems security |
| Topic 7: How Cyberattacks Happen | - Case studies of industrial cyber incidents - Vulnerabilities in industrial systems - Cyber threats and attack vectors |
| Topic 8: Risk Analysis | - Risk management fundamentals - Cybersecurity risk assessment concepts - Risk and vulnerability analysis techniques |
| Topic 9: Addressing Risk with Implementation Measures | - Access control principles - Industrial network architecture and segmentation - Defense-in-depth strategy - Zones and conduits model |
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質問 # 154
What should the identification analysis of discovered vulnerabilities determine?
正解：B
解説：
In the context of vulnerability management within industrial systems, the identification analysis aims to determine the root cause of the vulnerability in order to understand its origin and impact, and to plan appropriate mitigation actions. This is a crucial step in the Secure Product Development Lifecycle (SDL) described in ISA/IEC 62443-4-1.
"The supplier shall perform vulnerability root cause analysis as part of the identification phase to determine the underlying cause of the vulnerability. This helps to guide the correction and prevention process."
- ISA/IEC 62443-4-1:2018, SR 6.2.1 - Vulnerability Identification and Handling This process not only addresses the specific issue but also improves the product development lifecycle by preventing similar future flaws.
References:
ISA/IEC 62443-4-1:2018 - SR 6.2.1
ISA/IEC 62443-3-3 - System-level requirements for vulnerability mitigation
質問 # 155
Which of the following is NOT listed under Organizational Security Measures (SP Element 1)?
正解：C
解説：
ISA/IEC 62443-2-1 defines SP Element 1 - Organizational Security Measures as the set of governance, policy, and people-focused controls that establish the foundation of an IACS Security Program. These measures are organizational in nature and are intended to create accountability, awareness, and structured risk management.
Step 1: Scope of SP Element 1
SP Element 1 includes activities such as:
* Security policy definition
* Roles and responsibilities
* Personnel security (e.g., background checks)
* Security awareness and training
* Supply chain security governance
These controls ensure that people, processes, and third-party relationships support cybersecurity objectives.
Step 2: Why malware protection does not belong here
Malware protection is a technical control, not an organizational measure. In ISA/IEC 62443, malware protection is addressed under SP Element 4 - Component Hardening, which focuses on endpoint protection, anti-malware mechanisms, and secure configurations.
Step 3: Why the other options are valid
* Background checks are explicitly part of personnel security.
* Supply chain security is a key organizational concern.
* Security awareness training ensures staff understand their responsibilities.
Therefore, Malware protection is not listed under SP Element 1.
質問 # 156
Which of the following is an element of security policy, organization, and awareness?
Available Choices (select all choices that are correct)
正解：A
質問 # 157
Which policies and procedures publication is titled Patch Manaqement in the IACS Environment?
Available Choices (select all choices that are correct)
正解：A
質問 # 158
What is the primary purpose of the NIST Cybersecurity Framework (CSF)?
正解：B
解説：
The NIST Cybersecurity Framework (CSF) was developed to enhance the security and resilience of critical infrastructure in the United States by providing a flexible, repeatable, and cost-effective risk-based approach to managing cybersecurity risk. It is designed to complement, not replace, existing standards and guidelines, and is intended for voluntary adoption by critical infrastructure organizations.
Reference: ISA/IEC 62443-1-1:2007, Section 4.2.7; NIST CSF Framework Core, "Purpose and Scope" (NIST CSF 1.1, Section 1.0).
質問 # 159
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