Isaca Cybersecurity Audit Practice Test - Questions Answers, Page 2

Availability can be protected through the use of redundancy, backups, and business continuity management. This is because these measures help to ensure that systems, data, and services are accessible and functional at all times, even in the event of a disruption or disaster. The other options are not directly related to protecting availability, but rather focus on enhancing confidentiality (A), integrity C, or awareness (D).

The BEST basis for allocating proportional protection activities when comprehensive classification is not feasible is a business dependency assessment. This is because a business dependency assessment helps to identify the criticality and sensitivity of business processes and their supporting assets, based on their contribution to the organization's objectives and value proposition. This allows for prioritizing protection activities according to the level of risk and impact. The other options are not as effective as a business dependency assessment, because they either use a single classification level allocation (A), which does not account for different levels of risk and impact; require a significant amount of time and resources to perform a business process re-engineering (B); or rely on external parties to cover potential losses without reducing the likelihood or impact of incidents (D).

From a regulatory perspective, the MOST important thing for the healthcare organization to determine when outsourcing its patient information processing to a third-party Software as a Service (SaaS) provider is the incident escalation procedures. This is because incident escalation procedures define how security incidents involving patient information are reported, communicated, escalated, and resolved between the healthcare organization and the SaaS provider. This is essential for complying with regulatory requirements such as HIPAA, which mandate timely notification and response to breaches of protected health information. The other options are not as important as incident escalation procedures from a regulatory perspective, because they either relate to technical aspects that may not affect compliance (A, B), or operational aspects that may not affect patient information security (D).