Asupervisor in your organization was demoted on friday afternoon. the supervisor had the ability to modify the contents of a confidential database, as well as other managerial permissions. on monday morning, the database administrator reported that log files indicated that several records were missing from the database. which of the following risk mitigation strategies should have been implemented when the supervisor was demoted?
a. incident management
b. routine auditing
c. it governance
d. monthly user rights reviews