Going to school, to work, to a public building or to a stadium without feeling too concerned is a feeling that cannot be valued. Our environment continues to be constantly evolving and the security field will continue to adapt and deliver. General training in the area of ​​physical security has been provided so that the reader can have a better understanding. Types of security were discussed, as well as the multiple operational functions related to the field. Conducting field analysis in the area of ​​physical security has become a daunting and arduous task due to lack of resources. This was not a predictable problem as there seemed to be a wealth of information post-9/11 for the security field. Trying to navigate the Lehman Library for resources on this topic was done with great difficulty. The word security itself is linked to so many topics that independent sources have flooded my