Isaca Updated CISA Exam Questions and Answers by zack

 The IS auditor should ensure that penetration test results are classified at the highest level of sensitivity, because they contain detailed information about the vulnerabilities and weaknesses of the IT systems and networks, as well as the methods and tools used by the testers to exploit them. Penetration test results can be used by malicious actors to launch cyberattacks or cause damage to the organization if they are disclosed or accessed without authorization. Therefore, they should be protected with the highest level of confidentiality, integrity and availability. The other options are not as sensitive as penetration test results, because they either do not reveal as muchinformation aboutthe IT security posture, or they are already known or reported by the organization. References: CISA Review Manual (Digital Version)1, Chapter 5, Section 5.2.4

The most significant risk that IS auditors are required to consider for each engagement is the misalignment with business objectives. This is because IS audit engagements are intended to provide assurance that the IT systems and processes support the achievement of the business objectives and strategies. If there is a misalignment,it could result in wasted resources, missed opportunities, inefficiencies, errors, or failures that could adversely affect the organization’s performance and reputation12. References: 1: CISA Review Manual (Digital Version), Chapter 1: The Process of Auditing Information Systems, Section 1.3: Audit Risk, page 28 2: CISA Online Review Course, Module 1: The Process of Auditing Information Systems, Lesson 1.3: Audit Risk

 Data classification is the process of organizing data into categories based on its sensitivity, value, and risk to the organization. Data classification helps to ensure that data is protected according to its importance and regulatory requirements. Data classification also enables data owners to make informed decisions about data access, retention, and disposal.

To implement a data classification program, it is most important to formalize data ownership. Data owners are the individuals or business units that have the authority and responsibility for the data they create or use. Data owners should be involved in defining the data classification levels, assigning the appropriate classification to their data, and ensuring that the data is handled according to the established policies and procedures. Data owners should also review and update the data classification periodically or when there are changes in the data or its usage.

The other options are not as important as formalizing data ownership when implementing a data classification program. Understanding the data classification levels is necessary, but it is not sufficient without identifying the data owners who will apply them. Developing a privacy policy is a good practice, but it is not specific to data classification. Planning for secure storage capacity is a technical consideration, but it does not address the business and legal aspects of data classification.

Network segmentation is the best security measure to reduce the risk of propagation when a cyberattack occurs, because it divides the network into smaller subnetworks that are isolated from each other and have different access controls and security policies. This limits the spread of malicious traffic and prevents attackers from accessing sensitive data or systems in other segments. Aperimeter firewall, a data loss prevention (DLP) system, and a web application firewall are also useful security measures, but they do not prevent propagation within the network as effectively as network segmentation does. References: CISA Review Manual (Digital Version)1, Chapter 5, Section 5.2.3