Why is AI output not audit evidence by itself?
If an AI tool summarizes walkthrough notes or writes a control description, why can't I just keep the AI output as my evidence?
Audit evidence is information the auditor obtains and evaluates to support a conclusion. AI output may summarize, transform, or draft based on inputs, but it is not the underlying proof that a control exists or operated.
For example, an AI-generated control description does not prove that the control was performed. You still need source support such as policy documents, system configuration, access reports, approvals, screenshots, reconciliations, or test results. The AI output may help you organize the workpaper, but the conclusion must trace back to real evidence.
CIA-style questions often test this distinction. The right answer keeps the audit trail intact: retain source evidence, review AI output for unsupported claims, document edits, and make the auditor responsible for the final conclusion.
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