Which of the following is the most likely data privacy concern of the upgraded system?A. Customers’ personal information could be compromised if an unauthorized individual gains access to the call session database.B. The system design makes it easy for unauthorized individuals to acquire customers’ private encryption keys.C. The system design increases the chance that customers will unknowingly install malware on their devices that will share their data with unauthorized individuals.D. Storing information in the call session database makes it easy for individuals to trick the system using malicious links.