Recent Question/Assignment

Please note this subject is about IT Risk Management.
Assumptions can be made on this assignment.
Consider the following Case study. Please use the following URL to download and read the ENISA Big Data Threat Landscape 2016 document.
And answer the following Questions:
1) Provide a brief overview of the case study and prepare a diagram for the ENISA Big Data security infrastructure.
2) Out of the ‘’Top threats’’ which threat would you regard to be the most significant and why?
3) Identify and discuss the key Threat Agents. What could be done to minimize their impact on the system? Based on the data provided, discuss the trends in threat probability.
4) How could the ETL process be improved? Discuss.
5) To sum up, should ENISA be satisfied with its current state of IT Security? Why? Or Why not?