Security architecure & design agile design implementations

Part 1: 600 wordsAs you consider the reputation service and the needs of customers or individual consumers, as well as, perhaps, large organizations that are security conscious like our fictitious enterprise, Digital Diskus, what will be the expectations and requirements of the customers? Will consumers’ needs be different from those of enterprises? Who owns the data that is being served from the reputation service? In addition, what kinds of protections might a customer expect from other customers when accessing reputations?
 Part2: 600 words
In today’s fast-paced, often “agile” software development, how can the secure design be implemented?