CISA-KR 문제 116
The greatest security risk associated with data migration from a legacy human resources (HR) system to a cloud-based system is data from the source and target system may be intercepted. Data interception is an attack that occurs when an unauthorized entity or individual captures or accesses data that are being transmitted or stored on an information system or network. Data interception can compromise the confidentiality and integrity of data, and cause harm or damage to data owners or users. Data migration from a legacy HR system to a cloud-based system involves transferring data from one system or location to another system or location over a network connection. This poses a high risk of data interception, as data may be exposed or vulnerable during transit or storage on unsecured or untrusted networks or systems. Data from the source and target system may have different data formats is a possible challenge associated with data migration from a legacy HR system to a cloud-based system, but it is not a security risk. Data formats are specifications that define how data are structured or encoded on an information system or network. Data formats may vary depending on different systems or platforms. Data migration may require converting data from one format to another format to ensure compatibility and interoperability between systems. Records past their retention period may not be migrated to the new system is a possible outcome associated with data migration from a legacy HR system to a cloud-based system, but it is not a security risk. Retention period is a duration that defines how long data should be kept or stored on an information system or network before being deleted or destroyed. Retention period may depend on various factors such as legal requirements, business needs, storage capacity, etc. Data migration may involve deleting or destroying data that are past their retention period to reduce the volume or complexity of data to be transferred or to comply with regulations or policies. System performance may be impacted by the migration is a possible impact associated with data migration from a legacy HR system to a cloud-based system, but it is not a security risk. System performance is a measure of how well an information system or network functions or operates, such as speed, reliability, availability, etc. System performance may be affected by data migration, as data migration may consume significant resources or bandwidth, cause interruptions or delays, or introduce errors or inconsistencies.
CISA-KR 문제 117
Aligning IT strategy with business strategy primarily helps an organization to optimize investments in IT. This is because alignment ensures that IT resources and capabilities are aligned with the business goals and priorities, and that IT delivers value to the business in terms of efficiency, effectiveness, innovation, and competitive advantage12. By aligning IT strategy with business strategy, an organization can avoid wasting money and time on IT projects or services that do not support or contribute to the business outcomes3. Alignment also helps to identify and prioritize the most critical and valuable IT initiatives that can create or optimize business value4.
Therefore, the correct answer to your question is A. optimize investments in IT.
CISA-KR 문제 118
Decreased time for incident resolution is the best indicator that an incident management process is effective.
Incident management is a process that aims to restore normal service operation as quickly as possible after an incident, which is an unplanned interruption or reduction in quality of an IT service. Decreased time for incident resolution means that the incident management process is able to identify, analyze, respond to, and resolve incidents efficiently and effectively. The other indicators do not necessarily reflect the effectiveness of the incident management process, as they may depend on other factors such as the nature, frequency, and severity of incidents. References: CISA Review Manual, 27th Edition, page 372
CISA-KR 문제 119
KPIs are not clearly defined is the most concerning finding for an IS auditor, because it implies that the third-party vendor does not have a clear understanding of what constitutes success or failure in their performance. This can lead to inaccurate or misleading reporting, poor decision making, and lack of accountability. KPIs should be SMART (specific, measurable, achievable, relevant, and time-bound) and aligned with the business objectives and expectations of the stakeholders12. References: 1: CISA Review Manual (Digital Version), Chapter 5, Section 5.3.2 2: CISA Online Review Course, Module 5, Lesson 3
CISA-KR 문제 120
A differential backup scheme is the best option when storage media is limited, as it only backs up the data that has changed since the last full backup. This reduces the amount of storage space required and also simplifies the restoration process, as only the last full backup and the last differential backup are needed. A real-time backup scheme would require continuous replication of data, which would consume a lot of storage space and network bandwidth. A virtual backup scheme would create a snapshot of the data at a point in time, but it would not reduce the storage space required, as it would still need to store the changes made to the data. A full backup scheme would back up all the data every time, which would require the most storage space and also take longer to complete. References: ISACA, CISA Review Manual, 27th Edition, 2018, page 405
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