A system migration is the process of transferring IT resources (mostly data) to a new hardware or software platform with the purpose of gaining better business value.
IS auditors should ensure the following aspects for efficient, effective, and accurate system and data migration:
- Processes should be in place to preserve the format, coding, structure, and integrity of data to be migrated.
- Processes should be in place to test the migrated data for its integrity and completeness.
- Data conversion processes must have audit trails and logs to verify the accuracy and completeness of the converted data.
The migration process should ensure the following:
- There is no disruption of routine operations.
- There is appropriate security control over data, ensuring confidentiality, integrity, and availability.
The migration process should also ensure the availability of fall-back arrangements. Tools and applications should be available to reverse the migration if there is an error...
