As the Chief Security Officer for a small medical records processing company, you have just finished setting up the physical security for your new office. You have made sure that the parking lot is illuminated, that you have guards at the door as well as doing periodic patrols, and you have badge readers throughout the building at key locations. You also have put biometric access technology on the data center door. And of course, you have cameras in the parking lot, building entrances, and the data center entrances. This is an example of which security concept ?

defense in depth

Explanation:

Defense in Depth is simply a way of approaching cybersecurity that is based on a series of defensive mechanisms or techniques are followed for the purpose of protecting very important information and data. In this type of security concept, if one of the mechanism fails, another mechanism takes effect immediately to remove the attack. It is also known as the castle approach for the fact that it is like a replica to the layered defenses of a medieval castle. In the example, the Chief Security Officer puts in place a series of defense mechanism to counter any threat, and if one fails to, another will surely discover and counter the threat.

i think its d if im not mistaken

1. entrepreneur.com

2. wikipedia