An IS audit manager was temporarily tasked with supervising a project manager assigned to the organization's payroll application upgrade. Upon returning to the audit department, the audit manager has

Transferring the assignment to a different audit manager lacking IT project management experience might compromise the quality of the audit, and it doesn't resolve the conflict of interest if the original manager still influences the audit process.

Having the audit manager perform a final review still presents a conflict of interest, as their prior involvement could influence their judgment or perceived impartiality, thereby undermining audit credibility.

The IS audit manager's temporary supervision of the project manager constitutes a direct involvement with the project, creating a significant conflict of interest that compromises auditor independence. To maintain auditor independence and objectivity, which are foundational principles of auditing, the audit should be outsourced to independent and qualified external resources.

Managing the audit directly would be a clear violation of auditor independence and objectivity principles, severely compromising the credibility and reliability of the audit findings.