During a vendor management database audit, an IS auditor identifies multiple instances of duplicate vendor records. In order to prevent recurrence of the same issue, which of the following is the IS auditor's BEST recommendation to management?
A.
Run system reports of full vendor listings periodically to identify duplication
B.
Perform system verification checks for unique data values on key fields
C.
Request senior management approval of all new vendor details.
D.
Build a segregation of duties control into the vendor creation process.
The IS auditor's BEST recommendation to prevent the recurrence of duplicate vendor records is option B: Perform system verification checks for unique data values on key field
Option B, performing system verification checks for unique data values on key fields, is a preventive control. By ensuring that key fields used to identify vendors are unique, you can proactively prevent the creation of duplicate vendor records in the first place. This is the most effective way to address the issue and prevent its recurrence.
B. Perform system verification checks for unique data values on key fields
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