CISA-KR 문제 191
다음 중 조직의 SIEM(보안 정보 및 이벤트 관리) 시스템 로그의 유효성과 무결성에 대한 가장 좋은 증거를 제공하는 것은 무엇입니까?
정답: C
Explanation
Substantive testing provides the best evidence of the validity and integrity of logs in an organization's security information and event management (SIEM) system, because it is a type of audit testing that directly examines the accuracy, completeness, and reliability of the data and transactions recorded in the logs. Substantive testing can involve various methods, such as re-performance, inspection, observation, inquiry, or computer-assisted audit techniques (CAATs), to verify the existence, occurrence, valuation, ownership, presentation, and disclosure of the log data1. Substantive testing can also detect any errors, omissions, alterations, or manipulations of the log data that may indicate fraud or misstatement2.
Compliance testing (A) is not the best evidence of the validity and integrity of logs in an organization's SIEM system, because it is a type of audit testing that evaluates the design and effectiveness of the internal controls that are implemented to ensure compliance with laws, regulations, policies, and procedures. Compliance testing can involve various methods, such as walkthroughs, questionnaires, checklists, or flowcharts, to assess the adequacy, consistency, and operation of the internal controls1. Compliance testing can provide assurance that the log data are generated and processed in accordance with the established rules and standards, but it does not directly verify the accuracy and reliability of the log data itself2.
Stop-or-go sampling (B) is not a type of audit testing, but a type of sampling technique that auditors use to select a sample from a population for testing. Stop-or-go sampling is a sequential sampling technique that allows auditors to stop testing before reaching the predetermined sample size if the results are satisfactory or conclusive. Stop-or-go sampling can reduce the audit cost and time by avoiding unnecessary testing, but it can also increase the sampling risk and uncertainty by relying on a smaller sample3. Stop-or-go sampling does not provide any evidence of the validity and integrity of logs in an organization's SIEM system by itself; it depends on the type and quality of the audit tests performed on the selected sample.
Variable sampling (D) is not a type of audit testing, but a type of sampling technique that auditors use to estimate a numerical characteristic of a population for testing. Variable sampling is a statistical sampling technique that allows auditors to measure the amount or rate of error or deviation in a population by using quantitative methods. Variable sampling can provide precise and objective results by using mathematical formulas and confidence intervals4. Variable sampling does not provide any evidence of the validity and integrity of logs in an organization's SIEM system by itself; it depends on the type and quality of the audit tests performed on the selected sample.
References:
Audit Testing Procedures - 5 Types and Their Use Cases
5 Types of Testing Methods Used During Audit Procedures | I.S. Partners Stop-or-Go Sampling Definition Variable Sampling Definition
Substantive testing provides the best evidence of the validity and integrity of logs in an organization's security information and event management (SIEM) system, because it is a type of audit testing that directly examines the accuracy, completeness, and reliability of the data and transactions recorded in the logs. Substantive testing can involve various methods, such as re-performance, inspection, observation, inquiry, or computer-assisted audit techniques (CAATs), to verify the existence, occurrence, valuation, ownership, presentation, and disclosure of the log data1. Substantive testing can also detect any errors, omissions, alterations, or manipulations of the log data that may indicate fraud or misstatement2.
Compliance testing (A) is not the best evidence of the validity and integrity of logs in an organization's SIEM system, because it is a type of audit testing that evaluates the design and effectiveness of the internal controls that are implemented to ensure compliance with laws, regulations, policies, and procedures. Compliance testing can involve various methods, such as walkthroughs, questionnaires, checklists, or flowcharts, to assess the adequacy, consistency, and operation of the internal controls1. Compliance testing can provide assurance that the log data are generated and processed in accordance with the established rules and standards, but it does not directly verify the accuracy and reliability of the log data itself2.
Stop-or-go sampling (B) is not a type of audit testing, but a type of sampling technique that auditors use to select a sample from a population for testing. Stop-or-go sampling is a sequential sampling technique that allows auditors to stop testing before reaching the predetermined sample size if the results are satisfactory or conclusive. Stop-or-go sampling can reduce the audit cost and time by avoiding unnecessary testing, but it can also increase the sampling risk and uncertainty by relying on a smaller sample3. Stop-or-go sampling does not provide any evidence of the validity and integrity of logs in an organization's SIEM system by itself; it depends on the type and quality of the audit tests performed on the selected sample.
Variable sampling (D) is not a type of audit testing, but a type of sampling technique that auditors use to estimate a numerical characteristic of a population for testing. Variable sampling is a statistical sampling technique that allows auditors to measure the amount or rate of error or deviation in a population by using quantitative methods. Variable sampling can provide precise and objective results by using mathematical formulas and confidence intervals4. Variable sampling does not provide any evidence of the validity and integrity of logs in an organization's SIEM system by itself; it depends on the type and quality of the audit tests performed on the selected sample.
References:
Audit Testing Procedures - 5 Types and Their Use Cases
5 Types of Testing Methods Used During Audit Procedures | I.S. Partners Stop-or-Go Sampling Definition Variable Sampling Definition
CISA-KR 문제 192
다음 중 비즈니스와 IT의 연계에 대한 가장 큰 과제는 무엇입니까?
정답: A
Explanation
The greatest challenge to the alignment of business and IT is the lack of chief information officer (CIO) involvement in board meetings. The CIO is the senior executive responsible for overseeing the IT strategy, governance, and operations of the organization, and ensuring that they support the business objectives and needs. The CIO should be involved in board meetings to communicate the value and contribution of IT to the organization, to align the IT vision and direction with the business strategy and priorities, and to advocate for the IT resources and investments required to achieve the desired outcomes. The lack of CIO involvement in board meetings can result in a disconnect between business and IT, a loss of trust and confidence in IT, and missed opportunities for innovation and value creation. The other options are not as challenging as the lack of CIO involvement in board meetings, because they either do not affect the strategic alignment of business and IT, or they can be addressed by other means such as collaboration, negotiation, or escalation. References:
CISA Review Manual (Digital Version)1, Chapter 1, Section 1.2.1
The greatest challenge to the alignment of business and IT is the lack of chief information officer (CIO) involvement in board meetings. The CIO is the senior executive responsible for overseeing the IT strategy, governance, and operations of the organization, and ensuring that they support the business objectives and needs. The CIO should be involved in board meetings to communicate the value and contribution of IT to the organization, to align the IT vision and direction with the business strategy and priorities, and to advocate for the IT resources and investments required to achieve the desired outcomes. The lack of CIO involvement in board meetings can result in a disconnect between business and IT, a loss of trust and confidence in IT, and missed opportunities for innovation and value creation. The other options are not as challenging as the lack of CIO involvement in board meetings, because they either do not affect the strategic alignment of business and IT, or they can be addressed by other means such as collaboration, negotiation, or escalation. References:
CISA Review Manual (Digital Version)1, Chapter 1, Section 1.2.1
CISA-KR 문제 193
다음 중 기업 애플리케이션에 시각화 기술을 사용할 때의 주요 이점은 무엇입니까?
정답: B
Explanation
Visualization technology is the use of software and hardware to create graphical representations of data, such as charts, graphs, maps, images, etc. Visualization technology can help users to understand, analyze, and communicate complex and large amounts of data in an intuitive and engaging way1.
One of the primary advantages of using visualization technology for corporate applications is that it can improve the utilization of resources, such as time, money, human capital, and physical assets. Some of the ways that visualization technology can achieve this are:
Visualization technology can help users to quickly and easily explore, filter, and interact with data, reducing the need for manual data processing and analysis1. This can save time and effort for both data producers and consumers, and allow them to focus on more value-added tasks.
Visualization technology can help users to discover patterns, trends, outliers, correlations, and causations in data that may otherwise be hidden or overlooked in traditional reports or tables1. This can enable users to make better and faster decisions based on data-driven insights, and optimize their strategies and actions accordingly.
Visualization technology can help users to communicate and share data more effectively and persuasively with different audiences, such as customers, partners, investors, regulators, etc1. This can enhance the reputation and credibility of the organization, and foster collaboration and innovation among stakeholders.
Visualization technology can help users to monitor and measure the performance and impact of their activities, products, services, or processes1. This can help users to identify problems or opportunities for improvement, and adjust their plans or actions accordingly.
Visualization technology can help users to create engaging and interactive experiences for their customers or end-users1. This can increase customer satisfaction and loyalty, and generate more revenue or value for the organization.
Therefore, using visualization technology for corporate applications can help organizations to better utilize their resources and achieve their goals.
References:
ISACA, CISA Review Manual, 27th Edition, 2019
ISACA, CISA Review Questions, Answers & Explanations Database - 12 Month Subscription TechRadar Blog, Best data visualization tools of 20232 IBM Blog, What is Data Visualization?3 TDWI Blog, Data Visualization Technology4 Tableau Blog, What are the advantages and disadvantages of data visualization?
Visualization technology is the use of software and hardware to create graphical representations of data, such as charts, graphs, maps, images, etc. Visualization technology can help users to understand, analyze, and communicate complex and large amounts of data in an intuitive and engaging way1.
One of the primary advantages of using visualization technology for corporate applications is that it can improve the utilization of resources, such as time, money, human capital, and physical assets. Some of the ways that visualization technology can achieve this are:
Visualization technology can help users to quickly and easily explore, filter, and interact with data, reducing the need for manual data processing and analysis1. This can save time and effort for both data producers and consumers, and allow them to focus on more value-added tasks.
Visualization technology can help users to discover patterns, trends, outliers, correlations, and causations in data that may otherwise be hidden or overlooked in traditional reports or tables1. This can enable users to make better and faster decisions based on data-driven insights, and optimize their strategies and actions accordingly.
Visualization technology can help users to communicate and share data more effectively and persuasively with different audiences, such as customers, partners, investors, regulators, etc1. This can enhance the reputation and credibility of the organization, and foster collaboration and innovation among stakeholders.
Visualization technology can help users to monitor and measure the performance and impact of their activities, products, services, or processes1. This can help users to identify problems or opportunities for improvement, and adjust their plans or actions accordingly.
Visualization technology can help users to create engaging and interactive experiences for their customers or end-users1. This can increase customer satisfaction and loyalty, and generate more revenue or value for the organization.
Therefore, using visualization technology for corporate applications can help organizations to better utilize their resources and achieve their goals.
References:
ISACA, CISA Review Manual, 27th Edition, 2019
ISACA, CISA Review Questions, Answers & Explanations Database - 12 Month Subscription TechRadar Blog, Best data visualization tools of 20232 IBM Blog, What is Data Visualization?3 TDWI Blog, Data Visualization Technology4 Tableau Blog, What are the advantages and disadvantages of data visualization?
CISA-KR 문제 194
개발팀에서 잘못된 버전의 소스 코드를 수정했습니다. 이는 다음과 같은 약점을 나타낼 가능성이 가장 높습니다.
정답: C
Explanation
A weakness in change management is the most likely cause of an incorrect version of source code being amended by a development team. Change management is the process of controlling and documenting changes to IT systems and software. It ensures that changes are authorized, tested, and implemented in a controlled manner. If change management is weak, there is a risk of using outdated or incorrect versions of source code, which can lead to errors, defects, or security vulnerabilities in the software.
A weakness in change management is the most likely cause of an incorrect version of source code being amended by a development team. Change management is the process of controlling and documenting changes to IT systems and software. It ensures that changes are authorized, tested, and implemented in a controlled manner. If change management is weak, there is a risk of using outdated or incorrect versions of source code, which can lead to errors, defects, or security vulnerabilities in the software.
CISA-KR 문제 195
다음 중 위험 노출을 적시에 식별할 수 있는 가장 좋은 것은 무엇입니까?
정답: C
Explanation
Control self-assessment (CSA) is a technique that enables business managers and staff to assess and improve the effectiveness of their own controls and risk management processes. CSA can best enable the timely identification of risk exposure, as it allows for continuous monitoring and reporting of risks by those who are closest to the business processes and activities. External audit review, internal audit review, and stress testing are also useful methods for identifying risk exposure, but they are not as timely as CSA, as they are performed periodically or on demand by external or internal parties who may not have as much insight into the business operations and environment. References: ISACA CISA Review Manual 27th Edition, page 95.
Control self-assessment (CSA) is a technique that enables business managers and staff to assess and improve the effectiveness of their own controls and risk management processes. CSA can best enable the timely identification of risk exposure, as it allows for continuous monitoring and reporting of risks by those who are closest to the business processes and activities. External audit review, internal audit review, and stress testing are also useful methods for identifying risk exposure, but they are not as timely as CSA, as they are performed periodically or on demand by external or internal parties who may not have as much insight into the business operations and environment. References: ISACA CISA Review Manual 27th Edition, page 95.
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