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When evidence of multiple incidents of fraud is discovered and there are insufficient controls in place, the internal auditor ' s most appropriate next step is to discuss the situation with the engagement supervisor to determine whether fraud investigation experts are needed. This step ensures that specialized expertise is considered and engaged if necessary to properly investigate the matter and to determine the appropriate response, including the potential involvement of law enforcement.

International Standards for the Professional Practice of Internal Auditing on responding to findings and incidents of fraud; guidance on fraud investigation.

The organizational independence of the internal audit activity is most likely to be impaired if the chief audit executive (CAE) reports administratively to the chief financial officer (CFO). Reporting to the CFO can create a conflict of interest and reduce the perceived and actual independence of the internal audit function, as the CFO has direct involvement in financial management and operations, which are common subjects of audits. This reporting structure could potentially limit the CAE’s ability to report issues impartially and independently.

IIA ' s International Standards for the Professional Practice of Internal Auditing regarding organizational independence.

The scenario described involves a violation of the principle of confidentiality as defined in The IIA ' s Code of Ethics. The internal auditor misused information obtained during the course of an audit (salary data of colleagues) for personal gain (requesting a salary raise). This breaches the ethical principle of confidentiality, which mandates that auditors respect the value and ownership of information they receive and do not disclose information without appropriate authority unless there is a legal or professional obligation to do so.

The IIA ' s Code of Ethics on Confidentiality.

The job responsibilities of the warehouse employee, where the same individual is responsible for receiving goods and distributing materials and spare parts, compromise segregation of duties. This lack of segregation poses a significant fraud risk because it allows a single individual to control multiple aspects of the inventory process, increasing the opportunity for misappropriation or manipulation of inventory without adequate checks or oversight.

Institute of Internal Auditors (IIA) - International Professional Practices Framework (IPPF), Practice Guide: Assessing Fraud Risks