Embedding and checking sequential numbers in the file or message header allows the system to automatically detect any missing or out‑of‑order transactions, directly supporting the completeness of outbound data flows.

The main purpose of conducting a risk assessment when developing a risk-based audit strategy is to identify and prioritize areas with the highest risk to the organization. This allows the IS auditor to allocate audit resources effectively and focus on areas that have the greatest potential impact on achieving organizational objectives.