CISA-KR 문제 116
IS 감사원이 기업 거버넌스를 검토하고 기술 위험 거버넌스에 대한 정의된 조직 구조가 없다는 것을 발견했습니다. 이러한 구조 부족에 대한 가장 큰 우려 사항은 다음 중 무엇입니까?
정답: C
The greatest concern with the lack of structure for technology risk governance is C. Key decision-making entities for technology risk have not been identified. Technology risk governance is the process of establishing and maintaining the policies, roles, responsibilities, and accountabilities for managing technology risks within an organization1. Technology risk governance requires a clear organizational structure that defines who has the authority and responsibility to make decisions, set objectives, allocate resources, monitor performance, and ensure compliance for technology risk management2. Without such a structure, an organization may face the following challenges:
Lack of alignment and integration between technology and business strategies, leading to suboptimal outcomes and missed opportunities.
Lack of clarity and consistency in technology risk identification, assessment, mitigation, and reporting, leading to gaps and overlaps in risk coverage and exposure.
Lack of communication and collaboration among different stakeholders involved in technology risk management, leading to conflicts and inefficiencies.
Lack of oversight and accountability for technology risk management activities and results, leading to poor quality and reliability.
Lack of alignment and integration between technology and business strategies, leading to suboptimal outcomes and missed opportunities.
Lack of clarity and consistency in technology risk identification, assessment, mitigation, and reporting, leading to gaps and overlaps in risk coverage and exposure.
Lack of communication and collaboration among different stakeholders involved in technology risk management, leading to conflicts and inefficiencies.
Lack of oversight and accountability for technology risk management activities and results, leading to poor quality and reliability.
CISA-KR 문제 117
조직의 방화벽을 평가할 때 IS 감사자가 확인해야 할 가장 중요한 사항은 무엇입니까?
정답: A
A firewall is a device or software that monitors and controls the incoming and outgoing network traffic based on predefined rules. A firewall can help protect an organization's network and information systems from unauthorized or malicious access, by filtering or blocking unwanted or harmful packets. The most important thing for an IS auditor to verify when evaluating an organization's firewall is that the logs are being collected in a separate protected host. Logs are records of events or activities that occur on a system or network, such as connections, requests, responses, errors, and alerts. Logs can provide valuable information for auditing, monitoring, troubleshooting, and investigating security incidents. However, logs can also be tampered with, deleted, or corrupted by attackers or insiders who want to hide their tracks or evidence of their actions.
Therefore, it is essential that logs are stored in a separate host that is isolated and secured from the network and the firewall itself, to prevent unauthorized access or modification of the logs. Automated alerts are being sent when a risk is detected is a good practice for enhancing the security and efficiency of a firewall, but it is not the most important thing for an IS auditor to verify, as alerts may not always be accurate, timely, or actionable. Insider attacks are being controlled is a desirable outcome for a firewall, but it is not the most important thing for an IS auditor to verify, as insider attacks may involve other factors or methods that bypass or compromise the firewall, such as social engineering, credential theft, or physical access. Access to configuration files is restricted is a critical control for ensuring the security and integrity of a firewall, but it is not the most important thing for an IS auditor to verify, as configuration files may not reflect the actual state or performance of the firewall.
Therefore, it is essential that logs are stored in a separate host that is isolated and secured from the network and the firewall itself, to prevent unauthorized access or modification of the logs. Automated alerts are being sent when a risk is detected is a good practice for enhancing the security and efficiency of a firewall, but it is not the most important thing for an IS auditor to verify, as alerts may not always be accurate, timely, or actionable. Insider attacks are being controlled is a desirable outcome for a firewall, but it is not the most important thing for an IS auditor to verify, as insider attacks may involve other factors or methods that bypass or compromise the firewall, such as social engineering, credential theft, or physical access. Access to configuration files is restricted is a critical control for ensuring the security and integrity of a firewall, but it is not the most important thing for an IS auditor to verify, as configuration files may not reflect the actual state or performance of the firewall.
CISA-KR 문제 118
IS 감사자는 중요 시스템의 백업이 비즈니스 연속성 계획(BCP)에 설정된 복구 지점 목표(RPO)에 따라 수행되지 않는다는 것을 발견했습니다. 감사자는 다음에 무엇을 해야 합니까?
정답: A
CISA-KR 문제 119
조직의 데이터 분류 프로세스를 평가할 때 IS 감사인의 주요 초점은 다음 사항에 있어야 합니다.
정답: D
Data classification is the process of organizing and labeling data into categories based on file type, contents, and other metadata. Data classification helps organizations answer important questions about their data that inform how they mitigate risk and manage data governance policies. Data classification also enables appropriate protection measures, and efficient search, retrieval and use of each data category12.
While evaluating the data classification process of an organization, an IS auditor's primary focus should be on whether data is correctly classified. This means that the data is assigned to the appropriate classification level based on its sensitivity, importance, integrity, availability, compliance requirements, and business value. Correct data classification ensures that the data is protected according to its risk level, and that the organization can comply with relevant laws and regulations that apply to different types of data3.
The other three options are not the primary focus of an IS auditor while evaluating the data classification process, although they may be relevant or useful for certain aspects of data management. Data classifications are automated means that the organization uses software tools or algorithms to analyze and label data based on predefined rules or criteria. This can improve the efficiency and consistency of data classification, but it does not guarantee that the data is correctly classified. The IS auditor still needs to verify the accuracy and validity of the automated classifications, and check for any errors or anomalies.
A data dictionary is maintained means that the organization keeps a record of the definitions, formats, sources, and relationships of the data elements in its systems or databases. This can enhance the understanding and usability of the data, but it does not ensure that the data is correctly classified. The IS auditor still needs to examine the content and context of the data, and compare it with the classification criteria and policies.
Data retention requirements are clearly defined means that the organization specifies how long it will keep different types of data, and when it will delete or archive them. This can help reduce storage costs, improve performance, and comply with legal obligations, but it does not ensure that the data is correctly classified. The IS auditor still needs to assess whether the data is stored and protected according to its classification level, and whether the retention periods are appropriate for each type of data.
Therefore, data is correctly classified is the best answer.
References:
* Data Classification: The Basics and a 6-Step Checklist - NetApp
* What is Data Classification? Guidelines and Process -Varonis
* Data Classification and Handling Procedures Guide
While evaluating the data classification process of an organization, an IS auditor's primary focus should be on whether data is correctly classified. This means that the data is assigned to the appropriate classification level based on its sensitivity, importance, integrity, availability, compliance requirements, and business value. Correct data classification ensures that the data is protected according to its risk level, and that the organization can comply with relevant laws and regulations that apply to different types of data3.
The other three options are not the primary focus of an IS auditor while evaluating the data classification process, although they may be relevant or useful for certain aspects of data management. Data classifications are automated means that the organization uses software tools or algorithms to analyze and label data based on predefined rules or criteria. This can improve the efficiency and consistency of data classification, but it does not guarantee that the data is correctly classified. The IS auditor still needs to verify the accuracy and validity of the automated classifications, and check for any errors or anomalies.
A data dictionary is maintained means that the organization keeps a record of the definitions, formats, sources, and relationships of the data elements in its systems or databases. This can enhance the understanding and usability of the data, but it does not ensure that the data is correctly classified. The IS auditor still needs to examine the content and context of the data, and compare it with the classification criteria and policies.
Data retention requirements are clearly defined means that the organization specifies how long it will keep different types of data, and when it will delete or archive them. This can help reduce storage costs, improve performance, and comply with legal obligations, but it does not ensure that the data is correctly classified. The IS auditor still needs to assess whether the data is stored and protected according to its classification level, and whether the retention periods are appropriate for each type of data.
Therefore, data is correctly classified is the best answer.
References:
* Data Classification: The Basics and a 6-Step Checklist - NetApp
* What is Data Classification? Guidelines and Process -Varonis
* Data Classification and Handling Procedures Guide
CISA-KR 문제 120
다음 중 조직의 정보에 액세스할 수 없도록 하기 위해 재사용을 위해 하드 디스크를 삭제하는 가장 좋은 방법은 무엇입니까?
정답: D
The best way to sanitize a hard disk for reuse to ensure the organization's information cannot be accessed is data wiping. Data wiping is a process that overwrites the data on the hard disk with random or meaningless patterns, making it unrecoverable by any software or hardware methods. Data wiping can provide a high level of security and assurance that the organization's information is permanently erased from the hard disk, and that it cannot be accessed by unauthorized parties or malicious actors.
Re-partitioning is not a way to sanitize a hard disk for reuse, but rather a way to organize the hard disk into different logical sections or volumes. Re-partitioning does not erase the data on the hard disk, but only changes the structure and allocation of the disk space. Re-partitioning may make the data inaccessible to the operating system, but not to other tools or methods that can scan or recover the data from the disk sectors.
Degaussing is a way to sanitize a hard disk for reuse, but only for magnetic hard disks, not solid state drives (SSDs). Degaussing is a process that exposes the hard disk to a strong magnetic field, which disrupts and destroys the magnetic alignment of the data on the disk platters. Degaussing can effectively erase the data on magnetic hard disks, but it can also damage or render unusable the electronic components of the hard disk, such as the read/write heads or circuit boards. Degaussing also does not work on SSDs, which store data using flash memory cells, not magnetic media.
Formatting is not a way to sanitize a hard disk for reuse, but rather a way to prepare the hard disk for use by an operating system. Formatting is a process that creates a file system on the hard disk, which defines how the data is stored and accessed on the disk. Formatting does not erase the data on the hard disk, but only deletes the file system metadata and marks the disk space as available for new data. Formatting may make the data invisible to the operating system, but not to other tools or methods that can restore or recover the data from the disk sectors.
References:
* How to Wipe A Hard Drive for Reuse? Check the Quickest Way to Wipe A Hard Drive - EaseUS 1
* HP PCs - Using Secure Erase or HP Disk Sanitizer 2
* HOW to QUICKLY and PERMANENTLY SANITIZE ANY DRIVE (SSD, USB thumb drive ...)
Re-partitioning is not a way to sanitize a hard disk for reuse, but rather a way to organize the hard disk into different logical sections or volumes. Re-partitioning does not erase the data on the hard disk, but only changes the structure and allocation of the disk space. Re-partitioning may make the data inaccessible to the operating system, but not to other tools or methods that can scan or recover the data from the disk sectors.
Degaussing is a way to sanitize a hard disk for reuse, but only for magnetic hard disks, not solid state drives (SSDs). Degaussing is a process that exposes the hard disk to a strong magnetic field, which disrupts and destroys the magnetic alignment of the data on the disk platters. Degaussing can effectively erase the data on magnetic hard disks, but it can also damage or render unusable the electronic components of the hard disk, such as the read/write heads or circuit boards. Degaussing also does not work on SSDs, which store data using flash memory cells, not magnetic media.
Formatting is not a way to sanitize a hard disk for reuse, but rather a way to prepare the hard disk for use by an operating system. Formatting is a process that creates a file system on the hard disk, which defines how the data is stored and accessed on the disk. Formatting does not erase the data on the hard disk, but only deletes the file system metadata and marks the disk space as available for new data. Formatting may make the data invisible to the operating system, but not to other tools or methods that can restore or recover the data from the disk sectors.
References:
* How to Wipe A Hard Drive for Reuse? Check the Quickest Way to Wipe A Hard Drive - EaseUS 1
* HP PCs - Using Secure Erase or HP Disk Sanitizer 2
* HOW to QUICKLY and PERMANENTLY SANITIZE ANY DRIVE (SSD, USB thumb drive ...)
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