You are employed as a network administrator of Vincent Motors. An unreleased blueprint of a new car model of Vincent Motors has been leaked on the Internet. You assume that an intruder must have succeeded in gaining access to your network in order to copy the blueprint. Which of the following access control techniques will you use so that such an activity can be detected in the future?
a. Geofencing
b. Authentication
c. Accounting
d. SoD
