CISA-KR 문제 336
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-KR 문제 337
The completeness of the vulnerability scanning process depends on the accuracy and currency of the organization's systems inventory, which is a list of all the hardware and software assets that are owned or used by the organization. A complete and up-to-date systems inventory can help ensure that all the systems are identified and scanned for vulnerabilities, and that no system is missed or overlooked. Vulnerability scanning results are reported to the CISO is a good practice for ensuring accountability and visibility of the vulnerability management process, but it is not the most important thing to verify when determining the completeness of the vulnerability scanning process, as reporting does not guarantee that all the systems are scanned. The organization is using a cloud-hosted scanning tool for identification of vulnerabilities is a possible option for conducting vulnerability scanning, but it is not the most important thing to verify when determining the completeness of the vulnerability scanning process, as the type of scanning tool does not affect the scope or coverage of the scanning. Access to the vulnerability scanning tool is periodically reviewed is a critical control for ensuring the security and integrity of the vulnerability scanning tool, but it is not the most important thing to verify when determining the completeness of the vulnerability scanning process, as access review does not ensure that all the systems are scanned.
CISA-KR 문제 338
The first thing that an IS auditor should do when a follow-up audit reveals some management action plans have not been initiated is to escalate the lack of plan completion to executive management. This is because the failure to implement the agreed management action plans may indicate that the management is not taking the audit findings and recommendations seriously, or that they are accepting too much risk by not addressing the identified issues. Escalating the lack of plan completion to executive management can help to raise awareness and accountability, as well as to seek support and intervention to ensure that the management action plans are executed in a timely and effective manner12.
Confirming whether the identified risks are still valid is not the first thing to do, although it may be a useful step to reassess the current situation and the potential impact of not implementing the management action plans. However, confirming the validity of the risks does not address the root cause of why the management action plans have not been initiated, nor does it provide any assurance or remediation for the unresolved issues34.
Providing a report to the audit committee is not the first thing to do, although it may be a necessary step to communicate and document the results of the follow-up audit. However, providing a report to the audit committee does not guarantee that the management action plans will be initiated, nor does it resolve any conflicts or challenges that may prevent the management from implementing them34.
Requesting an additional action plan review to confirm the findings is not the first thing to do, although it may be a prudent step to verify and validate the accuracy and completeness of the follow-up audit. However, requesting an additional review may delay or defer the implementation of the management action plans, as well as consume more internal audit resources and time
CISA-KR 문제 339
Using analytical tools to produce exception reports from the system and performance monitoring software is the most effective plan of action for a company that purchased and implemented system and performance monitoring software. Exception reports are reports that highlight deviations or anomalies from predefined thresholds or standards. Using analytical tools to produce exception reports can help to reduce the size and complexity of the system and performance monitoring reports, as well as to focus on the most relevant and critical information for review and action. The other options are less effective plans of action, as they may involve unnecessary costs, risks, or efforts. References:
CISA Review Manual (Digital Version), Chapter 4, Section 4.2.21
CISA Review Questions, Answers & Explanations Database, Question ID 219
CISA-KR 문제 340
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.
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