The document provides an overview of risk based internal auditing. It discusses key concepts like the definition of risk, COSO ERM framework, three lines of defense model, definition of internal audit, and risk based internal audit approach. The approach involves identifying the audit universe and processes, risk identification and assessment, risk scoring and heat mapping, developing the risk based internal audit plan, and executing the plan. Various tools for risk based auditing like the audit tracker, audit report templates, and resources are also outlined.