CISA-KR 문제 91
Data classification is the process of tagging data according to its type, sensitivity, and value to the organization. Data transformation is the process of changing the structure and format of data to make it usable for analysis and visualization. Both processes are important for data security and compliance, but they also pose some challenges.
One of the challenges is to ensure that the organization's data classification policies are preserved during the process of data transformation. This means that the data should retain its original classification level and labels after it is transformed, and that the appropriate controls and protections are applied to the transformed data.
The best way to ensure this is to implement classification labels in metadata during data creation (D).
Metadata is data that describes other data, such as its source, format, content, and context. By adding classification labels to metadata, the data can be easily identified and tracked throughout its lifecycle, including during data transformation. The labels can also help enforce the proper access rights and encryption standards for the data, regardless of its state or location.
CISA-KR 문제 92
The best tool for detailed testing of a business application's data and configuration files is an audit analytics tool. An audit analytics tool is a software that helps auditors to analyze large sets of data and identify anomalies, trends, and patterns that are relevant to the audit objectives. An audit analytics tool can also provide audit evidence and support the auditor's professional judgment and conclusions.
Some of the benefits of using an audit analytics tool are:
It can improve the efficiency and effectiveness of the audit by reducing the time and effort required to perform manual tests and procedures.
It can enhance the quality and reliability of the audit by increasing the coverage and accuracy of the data analysis and testing.
It can enable the auditor to perform more complex and sophisticated tests and procedures that may not be possible or feasible with traditional methods.
It can help the auditor to discover new insights and risks that may not be apparent or detectable with traditional methods.
Some examples of audit analytics tools are:
IDEA: A data analysis software that allows auditors to import, analyze, and visualize data from various sources and formats. It also offers features such as sampling, stratification, gap analysis, duplicate detection, Benford's law, and regression analysis.1 ACL: A data analysis software that helps auditors to access, analyze, and report on data from various sources and formats. It also offers features such as sampling, stratification, gap analysis, duplicate detection, Benford's law, regression analysis, and scripting.2 TeamMate Analytics: A data analysis software that integrates with Microsoft Excel and provides auditors with a range of tools and functions to perform data analysis and testing. It also offers features such as sampling, stratification, gap analysis, duplicate detection, Benford's law, regression analysis, and scripting.3
CISA-KR 문제 93
The most effective way to ensure the integrity of data transmitted over a network is to use a message digest. A message digest is a cryptographic function that generates a unique and fixed-length value (also known as a hash or checksum) from any input data. The message digest can be used to verify that the data has not been altered or corrupted during transmission by comparing it with the message digest generated at the destination.
Message encryption is a method of protecting the confidentiality of data transmitted over a network by transforming it into an unreadable format using a secret key. Message encryption does not ensure the integrity of data, as it does not prevent or detect unauthorized modifications. Certificate authority (CA) is an entity that issues and manages digital certificates that bind public keys to identities. CA does not ensure the integrity of data, as it does not prevent or detect unauthorized modifications. Steganography is a technique of hiding data within other data, such as images or audio files. Steganography does not ensure the integrity of data, as it does not prevent or detect unauthorized modifications. References:
CISA Review Manual, 27th Edition, pages 383-3841
CISA Review Questions, Answers & Explanations Database, Question ID: 258
CISA-KR 문제 94
A maturity model for a technology organization is a tool that measures the progress and capability of the IT function in relation to its goals, processes, and practices. A maturity model can help identify gaps and areas for improvement, as well as benchmark the IT function against industry standards or best practices. One of the key aspects of a maturity model is the definition and clarity of roles and responsibilities for the IT function and its stakeholders. A roles and responsibility matrix, such as a RACI matrix, is a document that clarifies who is responsible, accountable, consulted, and informed for each task or deliverable in a project or process. A roles and responsibility matrix can help avoid confusion, duplication, or omission of work, as well as ensure accountability and communication among the IT function and its customers, partners, and suppliers. Therefore, an IS auditor should focus on reviewing the roles and responsibility matrix when evaluating the maturity model for a technology organization.
A standard operating procedure (SOP) is a document that describes the steps and instructions for performing a routine or repetitive task or process. SOPs are important for ensuring consistency, quality, and compliance in the IT function, but they are not directly related to the maturity model. A service level agreement (SLA) is a contract that defines the expectations and obligations between an IT service provider and its customers. SLAs are important for ensuring customer satisfaction, performance measurement, and dispute resolution in the IT function, but they are not directly related to the maturity model. A business resiliency plan is a document that outlines how an IT function will continue to operate or recover from a disruption or disaster. Business resiliency is important for ensuring availability, reliability, and security in the IT function, but it is not directly related to the maturity model. References: 1: Maturity Models for IT & Technology | Splunk 2: Responsibility assignment matrix - Wikipedia 3: Roles and Responsibilities Matrix - SDLCforms
CISA-KR 문제 95
Risk appetite is the amount and type of risk that an organization is willing to accept in pursuit of its objectives.
Risk appetite reflects the organization's risk culture, strategy, and tolerance, and guides the organization's risk management practices. The most useful information about risk appetite can be obtained from the risk policies, which are the documents that define the organization's risk management framework, principles, objectives, roles, responsibilities, and processes. Risk policies also establish the criteria and thresholds for identifying, assessing, prioritizing, mitigating, and monitoring risks, as well as the reporting and escalation mechanisms for risk issues. By reviewing the risk policies, an IS auditor can evaluate whether they are consistent, comprehensive, and aligned with the organization's risk appetite and whether they provide clear guidance and direction for managing risks effectively.
The other options are not correct because they are either not the most useful or not relevant to risk appetite.
Risk assessments are the processes of identifying, analyzing, and evaluating the risks that may affect the organization's objectives. Risk assessments provide information about the current risk profile and exposure of the organization, but they do not indicate the organization's risk appetite or preferences. Prior audit reports are the documents that summarize the findings, recommendations, and conclusions of previous audits. Prior audit reports may provide information about the past performance and issues of the organization's risk management practices, but they do not reflect the organization's risk appetite or expectations. Management assertion is a statement or declaration made by management about the accuracy, completeness, validity, or reliability of a certain fact or data. Management assertion may provide information about the management's confidence or opinion on a specific risk or issue, but it does not represent the organization's risk appetite or criteria.
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