The best thing the organization can do to secure process data would be C. Order a Partner Interconnect connection with your network provider
This refers to the steps and processes that are taken in order to protect the integrity of data in use from tampering.
Hence, we can see that based on the fact that your organization stores highly sensitive data on-premises that cannot be sent over the public internet. The data must be processed both on-premises and in the cloud, they would need to Order a Partner Interconnect connection with your network provider.
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