CIARA is a data-driven risk assessment and management platform designed for industrial organizations that utilizes a breach and attack simulation engine to calculate attack likelihood and mitigation effectiveness. It provides a prioritized mitigation roadmap compliant with ISA/IEC 62443 standards, optimizing OT cybersecurity expenditure based on operational preferences and budget constraints. The platform integrates with threat detection systems and other cybersecurity tools, offering continuous risk monitoring and comprehensive hardening plans to maximize cybersecurity ROI.