Using proper APA formatting write an initial 400-600 word discussion paper relating to the following:
1. What are protective barriers and what should they entail?
2. What mitigation procedures can be used to ensure the resiliency of protective barriers?
3. What is the significance of access and corrective controls?
4. Describe and explain some of the hardening methods of entry control.
Requirements
• After your initial post, you should respond to at least two classmates' posts with no less than 100 words.
• Ensure to use the discussion board title page provided in the course material for this assignment.
• In-text citations and a reference list are also a requirement.
• You need to have at least 8 cited sources.