How would you explain the difference between contract security guards and proprietary security guards, and does this difference have a direct impact on quality of security provided? Provide examples of countermeasures applied using the concentric layering approach. In doing so, assume you are protecting a medium sized public library.
It needs to be at least 400 words in APA format. Please use the link below for resources/sources and refer to Week 3.
https://myclassroom.apus.edu/d2l/le/enhancedSequenceViewer/43062?url=https%3A%2F%2Ff54cbe36-23a9-4505-85fe-e251f80ec34d.sequences.api.brightspace.com%2F43062%2Factivity%2F4811217%3FfilterOnDatesAndDepth%3D1