Answer the following 4 questions. Please be comprehensive and detailed in 350 words or less, also include in-text citations and references. The questions are:

1. Fully explain the defense in depth approach and why is it important in physical security? Lastly, how would you incorporate this into a protection plan to keep your (or another) facility safe?

2. As a security manager for your facility, you have been given the duty to add additional security barriers at your facility. Which barriers would you incorporate and what factors would you use in your decision making process? Explain in detail.

3. As the security manager for your facility, you have been charged with developing the business continuity plan for your organization. What are the immediate steps you will take in the development of the plan?

4, There are several major issues that will continue to hinder private sector security organizations in the future. In the year 2020, explain whether you anticipate to be more worried about the threat of economic/industrial espionage, executive protection or competitive intelligence. Justify your opinions.