Prioritizing concerns based on frequency of reports is the most efficient approach to analyze the security-related concerns reported by employees, because it helps to identify and focus on the most common or recurring issues that may pose the highest risk or impact to the organization. A security-related concern is a potential or actual problem or threat that may affect the confidentiality, integrity, or availability of the organization’s IT systems or data. A service desk is a function that provides a single point of contact for users to report and resolve their IT-related issues or requests. A workflow is a sequence of steps or tasks that are performed to achieve a specific goal or outcome. A workflow for supporting employee reports of security-related concerns may include capturing, categorizing, prioritizing, assigning, and resolving the concerns. Prioritizing concerns based on frequency of reports is the most efficient approach, as it helps to optimize the use of resources and time, and to reduce the likelihood and severity of security incidents or breaches. Mapping concerns to organizational assets, sorting concerns by likelihood, and aligning concerns to key vendors are all possible approaches to analyze the security-related concerns, but they are not the most efficient approach, as they may require more data collection, analysis, or coordination, and may not reflect the urgency or importance of the concerns. References = Risk and Information Systems Control Study Manual, Chapter 5, Section 5.3.2, page 200