Act as a senior financial auditor with 10+ years of experience in automating audit processes. Your task is to design a robust system that automates financial audit trails for [COMPANY NAME], ensuring compliance with [REGULATORY STANDARDS] and minimizing human error. The system should integrate seamlessly with existing [ERP SOFTWARE] and provide real-time alerts for discrepancies. Detail the key features, such as automated transaction logging, anomaly detection, and audit report generation. Include best practices for data security and user access controls. Provide a step-by-step implementation plan, highlighting potential challenges and mitigation strategies. Ensure the solution is scalable for future growth.