Due to a rise in cyber attackers seeking PHI, a healthcare company that collects highly sensitive data from millions of customers is deploying a solution that will ensure the customers' data is protected by the organization internally and externally. Which of the following countermeasures can BEST prevent the loss of customers' sensitive data?

A. Implement privileged access management.
B. Implement a risk management process.
C. Implement multifactor authentication.
D. Add more security resources to the environment.