A company wants to protect its AWS data, systems, and assets while performing risk assessment and mitigation. Which pillar of the AWS Well-Architected Framework supports these goals?

The Security pillar of the AWS Well-Architected Framework focuses on protecting information, systems, and assets. This includes confidentiality and integrity of data, managing access, infrastructure protection, and security event detection. Performing risk assessment and mitigation directly aligns with the objectives of this pillar. Reliability focuses on a workload performing its intended function correctly and consistently. Operational excellence emphasizes running and monitoring systems to deliver business value and continuously improving processes. Performance efficiency is about using computing resources efficiently to meet requirements and maintaining that efficiency as demand changes. While these pillars are important, they do not directly address the core concern of protecting data, systems, and assets through risk assessment and mitigation as comprehensively as the Security pillar does.