A company is trying to implement physical deterrent controls to improve the overall security
posture of their data center. Which of the following BEST meets their goal?

A.
Visitor logs

B.
Firewall

C.
Hardware locks

D.
Environmental monitoring

Explanation:
Hardware security involves applying physical security modifications to secure the system(s) and
preventing them from leaving the facility. Don’t spend all of your time worrying about intruders
coming through the network wire while overlooking the obvious need for physical security.
Hardware security involves the use of locks to prevent someone from picking up and carrying out
your equipment.