According to IIA guidance, which of re following actions should the internal auditor take immediately...

After considering fraud scenarios and identifying and prioritizing fraud risks, the next immediate action for the internal auditor is to determine which controls are in place to mitigate those risks. This step involves assessing the effectiveness of existing controls and identifying any gaps where controls may be insufficient or absent. Understanding the control environment is crucial for developing a comprehensive fraud risk assessment and ensuring that appropriate measures are in place to prevent and detect fraud.

Institute of Internal Auditors (IIA), Practice Guide – Internal Auditing and Fraud.