Which of the following should be of GREATEST concern to an IS auditor reviewing data conversion and migration during the implementation of a new application system?
A.
Data conversion was performed using manual processes.
B.
Unauthorized data modifications occurred during conversion.
C.
The change management process was not formally documented.
D.
Backups of the old system and data are not available online.
Makes more sense to be "A", because there are more associated risks, such as unauthorized:
1. Modification of data;
2. Addition of data; and
3. Deletion of data.
Even if manual process is succetible to errors and changes, option B is the actual materialization of it. A is potencial, B is actual. Let's stop assuming many things and go for the real case.
B. Unauthorized data modifications occurred during conversion.
The unauthorized data modifications during data conversion and migration pose the greatest concern to an IS auditor. Data integrity is critical during the migration process, and unauthorized modifications can lead to data corruption and may have a significant impact on the accuracy and reliability of the new application system. This is especially important in situations where historical data is being converted, as any unauthorized changes could result in data loss, compliance issues, or incorrect business decisions.
unauthorised changes are more dangerous than using a manual process
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