A company is evaluating their security posture and examining their existing on-premises data center. They want to ensure that they are appropriately mitigating risks associated with physical access to their servers. Which of the following measures would be MOST effective in preventing unauthorized physical access to the servers?
Hiring additional security guards to monitor the entrances and exits of the server areas.
Deploying mantraps at the entrance of the server rooms.
Installing surveillance cameras throughout the facility focusing on server room entrances and exits.
Implementing an RFID badge system for access to the server rooms.