The scenario describes the internal audit team providing both assurance and consulting services. Initially, the internal audit team was engaged in an assurance activity, verifying the effectiveness of controls through standard audit procedures. However, upon discovering a knowledge gap among employees, the team extended their role to include consulting services by conducting training sessions. This mix of both assurance and consulting in the same engagement characterizes what are commonly referred to as blended services.

Institute of Internal Auditors (IIA) - International Standards for the Professional Practice of Internal Auditing