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| Section | Objectives |
|---|---|
| Topic 1: Monitoring and Improving the CSMS | - Security lifecycle management - Continuous monitoring of IACS cybersecurity - Incident detection and response |
| Topic 2: Addressing Risk with Selected Security Counter Measures | - Patch management - Firewalls and network security devices - Anti-virus and endpoint protection - Virtual Private Networks (VPNs) |
| Topic 3: How Cyberattacks Happen | - Case studies of industrial cyber incidents - Cyber threats and attack vectors - Vulnerabilities in industrial systems |
| Topic 4: Risk Analysis | - Risk management fundamentals - Risk and vulnerability analysis techniques - Cybersecurity risk assessment concepts |
| Topic 5: Understanding the Current Industrial Security Environment | - Current state of industrial control systems security - Convergence of IT and OT - Security challenges in OT environments |
| Topic 6: Addressing Risk with Implementation Measures | - Industrial network architecture and segmentation - Access control principles - Zones and conduits model - Defense-in-depth strategy |
| Topic 7: Addressing Risk with Security Policy, Organization, and Awareness | - Organizational security roles and responsibilities - Security policies and procedures - Security awareness and training |
| Topic 8: Validating or Verifying the Security of Systems | - Auditing and compliance - Continuous improvement of security measures - Security validation and verification techniques |
| Topic 9: Creating A Security Program | - Security management organization - Developing a long-term security program - Defining information security policy |
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問題 #162
Which is the PRIMARY reason why Modbus over Ethernet is easy to manaqe in a firewall?
Available Choices (select all choices that are correct)
答案：B
解題說明：
According to the ISA/IEC 62443-2-4 standard, a training and security awareness program should include all personnel who have access to the industrial automation and control system (IACS) or who are involved in its operation, maintenance, or management. This includes vendors and suppliers, employees, temporary staff, contractors, and visitors. The purpose of the program is to ensure that all personnel are aware of the security risks and policies related to the IACS, and that they have the necessary skills and knowledge to perform their roles in a secure manner. The program should also cover the roles and responsibilities of different personnel, the reportingprocedures for security incidents, and the best practices for security hygiene. References:
* ISA/IEC 62443-2-4:2015 - Security for industrial automation and control systems - Part 2-4: Security program requirements for IACS service providers1
* ISA/IEC 62443 Cybersecurity Fundamentals Specialist Training Course2
問題 #163
Which of the following is a cause for the increase in attacks on IACS?
Available Choices (select all choices that are correct)
答案：C
問題 #164
What is the purpose of ISO/IEC 15408 (Common Criteria)?
Available Choices (select all choices that are correct)
答案：D
問題 #165
Which layer in the Open Systems Interconnection (OSI) model would include the use of the File Transfer
Protocol (FTP)?
Available Choices (select all choices that are correct)
答案：D
問題 #166
Which of the following is the BEST reason for periodic audits?
Available Choices (select all choices that are correct)
答案：D
解題說明：
Periodic audits are an essential part of the ISA/IEC 62443 cybersecurity standards, as they help to verify the effectiveness and compliance of the security program. According to the ISA/IEC 62443-2-1 standard, periodic audits should be conducted to evaluate the following aspects1:
* The security policies and procedures are consistent with the security requirements and objectives of the organization
* The security policies and procedures are implemented and enforced in accordance with the security program
* The security policies and procedures are reviewed and updated regularly to reflect changes in the threat landscape, the IACS environment, and the business needs
* The security performance indicators and metrics are measured and reported to the relevant stakeholders
* The security incidents and vulnerabilities are identified, analyzed, and resolved in a timely manner
* The security awareness and training programs are effective and aligned with the security roles and responsibilities of the personnel
* The security audits and assessments are conducted by qualified and independent auditors
* The security audit and assessment results are documented and communicated to the appropriate parties
* The security audit and assessment findings and recommendations are addressed and implemented in a prioritized and systematic way Periodic audits are not only a means to meet regulations or adhere to a schedule, but also a way to validate that the security policies and procedures are performing as intended and achieving the desired security outcomes. Periodic audits also help to identify gaps and weaknesses in the security program and provide opportunities for improvement and enhancement. References: Periodic audits are an essential part of the ISA/IEC 62443 cybersecurity standards, as they help to verify the effectiveness and compliance of the security program. According to the ISA/IEC 62443-2-1 standard, periodic audits should be conducted to evaluate the following aspects1:
* The security policies and procedures are consistent with the security requirements and objectives of the organization
* The security policies and procedures are implemented and enforced in accordance with the security program
* The security policies and procedures are reviewed and updated regularly to reflect changes in the threat landscape, the IACS environment, and the business needs
* The security performance indicators and metrics are measured and reported to the relevant stakeholders
* The security incidents and vulnerabilities are identified, analyzed, and resolved in a timely manner
* The security awareness and training programs are effective and aligned with the security roles and responsibilities of the personnel
* The security audits and assessments are conducted by qualified and independent auditors
* The security audit and assessment results are documented and communicated to the appropriate parties
* The security audit and assessment findings and recommendations are addressed and implemented in a prioritized and systematic way Periodic audits are not only a means to meet regulations or adhere to a schedule, but also a way to validate that the security policies and procedures are performing as intended and achieving the desired security outcomes. Periodic audits also help to identify gaps and weaknesses in the security program and provide opportunities for improvement and enhancement. References:
問題 #167
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