Application security

The concept of a multilayered defense strategy. Explore some of the advantages and disadvantages of embracing a multilayered defense strategy and contrast the approach with a monolithic approach to security.   

Contrast the advantages and disadvantages of using a multilayered approach to securing information system resources.
Explain how each advantage and disadvantage you identified in the first point impacts budget, usability, and the environment’s attack surface.
500 words
APA format with references  needed