A company has classified the following database records:
OBJECT CONFIDENTIALITY INTEGRITY AVAILABILITY
First Name LOW MEDIUM LOW
Last Name LOW MEDIUM LOW

Address MEDIUM HIGH LOW
Bank Account Number HIGH HIGH MEDIUM
Credit Card Number HIGH HIGH MEDIUM
Which of the following is a management control the company can implement to increase the security of the above information with respect to confidentiality?

A.
Implement a client based software filter to prevent some employees from viewing confidential information.

B.
Use privacy screen on all computers handling and displaying sensitive information.

C.
Encrypt the records which have a classification of HIGH in the confidentiality column.

D.
Disseminate the data classification table to all employees and provide training on data disclosure.