CISA-KR 문제 141
The most important outcome of an information security program is to improve the organizational awareness of security responsibilities, as this will foster a culture of security and ensure that all stakeholders are aware of their roles and obligations in protecting the information assets of the organization. An information security program should also aim to achieve other outcomes, such as identifying operating system weaknesses, understanding and accepting emerging security technologies, and reducing the cost to mitigate information security risk, but these are not as important as improving the awareness of security responsibilities, which is the foundation of any effective information security program. *References: According to the ISACA IT Audit and Assurance Standards, Guidelines and Tools and Techniques for IS Audit and Assurance Professionals, section 2402 Planning, "The IS audit and assurance professional should identify and assess risk relevant to the area under review." 1 One of the risk factors to consider is "the level of awareness of management and staff regarding IT risk management" 1. According to the ISACA IT Audit and Assurance Guideline G13 Information Security Management, "The objective of an information security management audit/assurance review is to provide management with an independent assessment relating to the effectiveness of information security management within the enterprise." The guideline also states that "the audit/assurance professional should evaluate whether there is an appropriate level of awareness throughout the enterprise regarding information security policies, standards, procedures and guidelines." According to a web search result from Microsoft Security, "Information security programs need to: ... Support the execution of decisions." 2 One of the ways to support the execution of decisions is to ensure that everyone in the organization understands their security responsibilities and follows the security policies and procedures.
CISA-KR 문제 142
The auditor's best recommendation prior to go-live is to conduct a mock conversion test. This is because a mock conversion test can help to verify the accuracy, completeness, and validity of the data conversion process. A mock conversion test can also help to identify and resolve any issues or errors before the actual conversion takes place. A mock conversion test can also provide assurance that the converted data meets the business requirements and expectations. References:
CISA Review Manual (Digital Version), Chapter 3, Section 3.3.21
CISA Online Review Course, Domain 2, Module 2, Lesson 22
CISA-KR 문제 143
The best way to help ensure new IT implementations align with enterprise architecture (EA) principles and requirements is to conduct EA reviews as part of the change advisory board (CAB). A CAB is a committee that evaluates and authorizes changes to IT services, such as new IT implementations. By conducting EA reviews as part of the CAB process, the organization can ensure that the proposed changes are consistent with the EA vision, goals, standards, and guidelines. This can help avoid potential conflicts, risks, or inefficiencies that may arise from misaligned IT implementations. Additionally, EA reviews can help identify opportunities for improvement, optimization, or innovation in the IT services.
The other options are not the best ways to help ensure new IT implementations align with EA principles and requirements. Documenting the security view as part of the EA is important, but it does not guarantee that new IT implementations will follow the security requirements or best practices. Considering stakeholder concerns when defining the EA is also essential, but it does not ensure that new IT implementations will meet the stakeholder expectations or needs. Performing mandatory post-implementation reviews of IT implementations is a good practice, but it does not prevent potential issues or problems that may arise from misaligned IT implementations.
References:
5: Change Advisory Board Best Practices: 15+ Industry Leaders Weigh In
6: What Does the Change Advisory Board (CAB) Do?
7: How do I set up an effective change advisory board? - ServiceNow
8: ITIL Change Management - The Role of the Change Advisory Board
CISA-KR 문제 144
The first step when conducting an IT risk assessment is to identify assets to be protected, which include hardware, software, data, processes, people, and facilities that support the business objectives and operations of an organization. Identifying assets to be protected helps to establish the scope and boundaries of the risk assessment, as well as the value and criticality of each asset. Identifying potential threats, assessing vulnerabilities, and evaluating controls in place are subsequent steps in the risk assessment process that depend on the identification of assets to be protected. References: CISA Review Manual (Digital Version), Chapter 2:
Governance & Management of IT, Section 2.3: IT Risk Management
CISA-KR 문제 145
The best method to reduce the risk associated with the transition to a new system using technologies that are not compatible with the old system is parallel changeover. Parallel changeover is a method of system conversion that involves running both the old and the new systems simultaneously for a period of time, until the new system is verified to be working correctly and completely. Parallel changeover can help reduce the risk of data loss, errors, or disruptions that may occur due to the incompatibility of the technologies, as well as provide a backup option in case of failure or malfunction of the new system. Parallel changeover can also help users compare and validate the results of both systems, and facilitate their training and adaptation to the new system.
Modular changeover is a method of system conversion that involves replacing one module or component of the old system with a corresponding module or component of the new system at a time, until the entire system is replaced. Modular changeover can help reduce the complexity and scope of the conversion, as well as minimize the impact on the users and operations. However, modular changeover may not be feasible or effective when the technologies of the old and new systems are not compatible, as it may create integration or interoperability issues among the modules.
Phased operation is a method of system conversion that involves implementing the new system in stages or increments, each with a subset of functions or features, until the entire system is operational. Phased operation can help reduce the risk and cost of implementing a large and complex system, as well as allow for testing and feedback at each stage. However, phased operation may not be suitable or efficient when the technologies of the old and new systems are not compatible, as it may require extensive modifications or adaptations to enable partial functionality.
Pilot operation is a method of system conversion that involves implementing the new system in a limited or controlled environment, such as a department or a location, before rolling it out to the entire organization.
Pilot operation can help test and evaluate the performance and usability of the new system, as well as identify and resolve any issues or problems before full-scale implementation. However, pilot operation may not be relevant or reliable when the technologies of the old and new systems are not compatible, as it may not reflect the actual conditions or challenges of operating both systems concurrently.
References:
TRANSITION TO THE NEW SYSTEM - O'Reilly Media 1
10 Challenges To Think About When Upgrading From Legacy Systems - Forbes
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