The most comprehensive information for developing a risk profile for a system is the risk assessment results.
A risk assessment is a process that identifies, analyzes, and evaluates the risks that could affect the system's objectives or operations. A risk assessment provides comprehensive information for developing a risk profile, because it helps to determine the likelihood and impact of the risks, and to prioritize them based on their severity and relevance. Arisk assessment also helps to select the most appropriate and effective controls to minimize the risks, such as avoiding, reducing, transferring, or accepting the risks. A risk profile is a document that summarizes the key risks that the system faces or accepts, and their likelihood, impact, and priority. A risk profile helps to identify and prioritize the most critical or relevant risks, and to align them with the system's objectives, strategy, and risk appetite. The other options are not as comprehensive as the risk assessment results, although they may be part of or derived from the risk profile. Results of a business impact analysis (BIA), a mapping of resources to business processes, and key performance indicators (KPIs) are all factors that could affect the system's performance and improvement, but they do not necessarily identify, analyze, or evaluate the risks that could affect the system. References = Risk and Information Systems Control Study Manual, Chapter 4, Section 4.2.1, page 4-13.