A company is investigating a data compromise where data exfiltration occurred. Prior to the investigation, the supervisor terminates an employee as a result of the
suspected data loss. During the investigation, the supervisor is absent for the interview, and little evidence can be provided from the role-based authentication
system in use by the company. The situation can be identified for future mitigation as which of the following?

A.
Job rotation

B.
Logging failure

C.
Lack of training

D.
Insider threat