A company is assessing various options to enhance the security of their facility and data center. Which of the following would serve as the best deterrent control to discourage trespassers from entering the secured premises of the data center?
Deploying mantraps at the primary entrance to the data center
Installing highly visible security cameras around the perimeter and entry points
Implementing badge readers at all points of entrance and exit
Erecting security awareness posters regarding tailgating in employee areas