Your Company, Sunsrise Bank, is looking to implement a security architecture for the organisation. Your role as a security consultant is to advise CISO on selecting an appropriate model for security operations.

Sunrise Bank's Chief Information Security Officer (CISO) has asked you to prepare a discussion paper that addresses the following:

1- If the C.I.A (Confidentiality, Integrity and Availability) triad is incomplete, why is it still used in security? (Explain your answer)

2- Discuss differences between Defense-in-Depth architecture and McCumber cube? (Explain your answer)