Part 1

Post your thoughts about using a layered approach to security is required to deal with today's advanced threats.

For this discussion, read Guide to Increased Security in Industrial Control Systems Section B07-Create a multilayer defence (defence-in-depth) in industrial control systems 27 and then discuss the following:

• Explain how using a layered approach to security is required to deal with today's advanced threats.

• Define what you feel is using a layered approach to security as it applies to Industrial Control Systems

• Provide an example of how having two layers of defense might be able to thwart an attack that would have been successful with only one layer.

• Explain how perimeter defense systems and interior defense systems can combine to create a layered approach.

Part 2

During the case study, you prepared yourself to be a consultant to a large company.

There are many professional organizations that support the cyber-security industry practitioner - credentialling, training, sharing knowledge, seminars, research etc.

Research an organization that supports cyber-security professional and post these answers:

1. What is the organization you found?

2. How do they support the cyber-security practitioner?

3. Do they have special considerations for industrial control systems?