CISA-KR 문제 126
많은 책임을 공유하는 IT 조직에서 승인되지 않은 데이터 변경을 감지하기 위한 가장 좋은 제어 방법은 다음 중 무엇입니까?
정답: C
The best control for detecting unauthorized data changes in an IT organization where many responsibilities are shared is to have data changes independently reviewed by another group. This is because an independent review can provide an objective and unbiased verification of the data changes and ensure that they are authorized, accurate, and complete. An independent review can also help to detect any errors, fraud, or malicious activities that may have occurred during the data changes. An independent review can also provide assurance that the data integrity and security are maintained. References:
* CISA Review Manual (Digital Version), Chapter 4, Section 4.31
* CISA Online Review Course, Domain 1, Module 4, Lesson 22
* CISA Review Manual (Digital Version), Chapter 4, Section 4.31
* CISA Online Review Course, Domain 1, Module 4, Lesson 22
CISA-KR 문제 127
IS 감사자는 변화 관리와 관련하여 다음 관찰 사항 중 가장 심각한 위험으로 간주해야 하는 것은 무엇입니까?
정답: C
CISA-KR 문제 128
IS 감사원은 방화벽 규칙을 평가할 때 다음 중 가장 먼저 고려해야 할 사항은 무엇입니까?
정답: A
This should be the first thing that an IS auditor considers when evaluating firewall rules, because it defines the objectives, standards, and guidelines for securing the organization's network and information assets. The firewall rules should be aligned with the organization's security policy, and reflect the level of risk and protection required for each type of network traffic, system, or data. The IS auditor should compare the firewall rules with the security policy, and identify any discrepancies, gaps, or conflicts that could compromise the security or performance of the network.
The other options are not as important as the organization's security policy when evaluating firewall rules:
* The number of remote nodes. This is a factor that may affect the complexity and scalability of the firewall rules, but it is not a primary consideration for the IS auditor. Remote nodes are devices or systems that connect to the network from outside locations, such as teleworkers, mobile users, or branch offices. The IS auditor should ensure that the firewall rules provide adequate security and access control for remote nodes, but this depends on the organization's security policy and business needs.
* The firewalls' default settings. These are the predefined configurations that come with the firewall devices or software, and that determine how they handle network traffic by default. The IS auditor should review the firewalls' default settings, and verify that they are appropriate and secure for the organization's network environment. However, the firewalls' default settings may not match the organization's security policy or specific requirements, and may need to be customized or overridden by firewall rules.
* The physical location of the firewalls. This is a factor that may affect the placement and design of the firewall rules, but it is not a critical consideration for the IS auditor. The physical location of the firewalls refers to where they are installed or deployed in relation to the network topology, such as at the network perimeter, between network segments, or on individual hosts. The IS auditor should ensure that the firewall rules are consistent and coordinated across different locations, but this depends on the organization's security policy and network architecture.
The other options are not as important as the organization's security policy when evaluating firewall rules:
* The number of remote nodes. This is a factor that may affect the complexity and scalability of the firewall rules, but it is not a primary consideration for the IS auditor. Remote nodes are devices or systems that connect to the network from outside locations, such as teleworkers, mobile users, or branch offices. The IS auditor should ensure that the firewall rules provide adequate security and access control for remote nodes, but this depends on the organization's security policy and business needs.
* The firewalls' default settings. These are the predefined configurations that come with the firewall devices or software, and that determine how they handle network traffic by default. The IS auditor should review the firewalls' default settings, and verify that they are appropriate and secure for the organization's network environment. However, the firewalls' default settings may not match the organization's security policy or specific requirements, and may need to be customized or overridden by firewall rules.
* The physical location of the firewalls. This is a factor that may affect the placement and design of the firewall rules, but it is not a critical consideration for the IS auditor. The physical location of the firewalls refers to where they are installed or deployed in relation to the network topology, such as at the network perimeter, between network segments, or on individual hosts. The IS auditor should ensure that the firewall rules are consistent and coordinated across different locations, but this depends on the organization's security policy and network architecture.
CISA-KR 문제 129
CFO가 월말 보고 기간 중 일련의 재무 시스템 속도 저하로 인해 IT 용량 관리에 대한 감사를 요청했습니다. 이 감사를 프로그램에 포함하기 전에 가장 중요하게 고려해야 할 사항은 무엇입니까?
정답: B
The most important thing to consider before including an audit of IT capacity management in the program is whether the system's performance poses a significant risk to the organization. IT capacity management is a process that ensures that IT resources are sufficient to meet current and future business needs, and that they are optimized for cost and performance. A poor IT capacity management can result in system slowdowns, outages, failures, or breaches, which can affect the availability, reliability, security, and efficiency of IT services and business processes. Therefore, before conducting an audit of IT capacity management, the auditor should assess the potential impact and likelihood of these risks on the organization's objectives, reputation, compliance, and customer satisfaction.
Whether system delays result in more frequent use of manual processing (option A) is not the most important thing to consider before including an audit of IT capacity management in the program, as it is only one possible consequence of poor IT capacity management. Manual processing can introduce errors, delays, inefficiencies, and inconsistencies in the data and reports, which can affect the quality and accuracy of financial information. However, manual processing is not the only or the worst outcome of poor IT capacity management; there may be other more severe or frequent risks that need to be considered.
Whether stakeholders are committed to assisting with the audit (option C) is also not the most important thing to consider before including an audit of IT capacity management in the program, as it is a factor that affects the feasibility and effectiveness of the audit, not the necessity or priority of it. Stakeholder commitment is important for ensuring that the auditor has access to relevant information, documents, data, and personnel, as well as for facilitating communication, collaboration, and feedback during the audit process. However, stakeholder commitment is not a sufficient reason to conduct an audit of IT capacity management; there must be a clear risk-based rationale for selecting this area for audit.
Whether internal auditors have the required skills to perform the audit (option D) is also not the most important thing to consider before including an audit of IT capacity management in the program, as it is a factor that affects the quality and credibility of the audit, not the urgency or importance of it. Internal auditors should have the appropriate knowledge, skills, and experience to perform an audit of IT capacity management, which may include technical, business, analytical, and communication skills. However, internal auditors can also acquire or supplement these skills through training, coaching, consulting, or outsourcing.
Therefore, internal auditors' skills are not a decisive factor for choosing this area for audit.
Therefore, option B is the correct answer.
References:
* Guide to IT Capacity Management | Smartsheet
* ISO 27001 capacity management: How to implement control A.12.1.3 - Advisera
* ISO 27002:2022 - Control 8.6 - Capacity Management
Whether system delays result in more frequent use of manual processing (option A) is not the most important thing to consider before including an audit of IT capacity management in the program, as it is only one possible consequence of poor IT capacity management. Manual processing can introduce errors, delays, inefficiencies, and inconsistencies in the data and reports, which can affect the quality and accuracy of financial information. However, manual processing is not the only or the worst outcome of poor IT capacity management; there may be other more severe or frequent risks that need to be considered.
Whether stakeholders are committed to assisting with the audit (option C) is also not the most important thing to consider before including an audit of IT capacity management in the program, as it is a factor that affects the feasibility and effectiveness of the audit, not the necessity or priority of it. Stakeholder commitment is important for ensuring that the auditor has access to relevant information, documents, data, and personnel, as well as for facilitating communication, collaboration, and feedback during the audit process. However, stakeholder commitment is not a sufficient reason to conduct an audit of IT capacity management; there must be a clear risk-based rationale for selecting this area for audit.
Whether internal auditors have the required skills to perform the audit (option D) is also not the most important thing to consider before including an audit of IT capacity management in the program, as it is a factor that affects the quality and credibility of the audit, not the urgency or importance of it. Internal auditors should have the appropriate knowledge, skills, and experience to perform an audit of IT capacity management, which may include technical, business, analytical, and communication skills. However, internal auditors can also acquire or supplement these skills through training, coaching, consulting, or outsourcing.
Therefore, internal auditors' skills are not a decisive factor for choosing this area for audit.
Therefore, option B is the correct answer.
References:
* Guide to IT Capacity Management | Smartsheet
* ISO 27001 capacity management: How to implement control A.12.1.3 - Advisera
* ISO 27002:2022 - Control 8.6 - Capacity Management
CISA-KR 문제 130
IS 감사원은 최근 릴리스의 결함으로 인해 텔러 거래 시스템이 고객에게 수수료를 잘못 청구한 최근 생산 사고를 발견했습니다. 감사원의 다음 단계는 다음 중 어느 것입니까?
정답: C
The change management process is the set of procedures and activities that ensure that changes to the information system are authorized, tested, documented, and implemented in a controlled manner12. A defect in a recent release indicates that there may be issues with the quality assurance, testing, or approval of the changes, which could affect the reliability, security, and performance of the system3 . Therefore, the auditor's next step should be to evaluate the change management process and identify the root cause of the defect, as well as the impact and remediation of the incident.
References
1: Change Management - CISA
2: What is Change Management? - Definition from Techopedia
3: How to Audit Change Management - ISACA Journal
The Business Case for Security | CISA
References
1: Change Management - CISA
2: What is Change Management? - Definition from Techopedia
3: How to Audit Change Management - ISACA Journal
The Business Case for Security | CISA
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