Given the arrival of blockchain applications, $123$ Stores Inc. would like to quickly implement an application that would reduce the expenses of reviewing financial activities. The finance department decides to implement this solution without the help of the IT deaprtment in a cloud environment. As the partner signing the financial audit opinion, your greatest concenrn would probably be which of the following?

The solution as described above may not operate effectively in the organization's data center.

The requisite system analysis may not be complete or does not comply with the organization's SDLC$.$

Design and programming responsibilities may violate segregation of duty practices

Cybersecurity threats to the cloud service provider's data center