Threat agent

a. Briefly respond to all the following questions. Make sure to explain and backup your responses with facts and examples. This assignment should be in APA format and have to include at least two references.[600 words] 

1. When should the architect begin the analysis?

2. What are the activities the architect must execute?

3. What is the set of knowledge domains applied to the analysis?

4. What are the tips and tricks that make security architecture risk assessment easier?

b. Make sure to explain and back up your responses with facts and examples. Your responses should be in APA format and have to include at least two references.[600 words] 

1. What does an assessor need to understand before she or he can perform an assessment?
2. How active is each threat agent? How might a successful attack serve a particular threat agent’s goals?