Design a system which follows the security requirement (Dont design it, Just describe it in this report).

Fantastic news! We've Found the answer you've been seeking!

Question:

Design a system which follows the security requirement (Don’t design it, Just describe it in this report).

I. Using an existing online banking application. Your system does not have to exist in the real world but should be achievable with today's technology and need to consider some improvements that can be gained via later technology.

II. Additionally, it must be accessible through Android and iOS mobile devices as well as Linux, Mac OS X, and Windows on the desktop. You are then expected to consider all aspects of security at each level of the system including hardware design, software design and network design.