Several departments within a company have a business need to send high volumes of confidential information to customers via email. Which of the following is the BEST solution to mitigate unintentional exposure of confidential information?
A. Employ encryption on all outbound emails containing confidential information.
B. Employ exact data matching and prevent inbound emails with Data Loss Prevention.
C. Employ hashing on all outbound emails containing confidential information.
D. Employ exact data matching and encrypt inbound e-mails with Data Loss Prevention.