10.  Topic 2, Contoso, Ltd Case Study B 
Overview
Payment Processing Query System
The payment processing system has the following compliance related requirement
Historical Transaction Query System
Information Security Requirement
Planned Changes
Migration Requirements
Contoso identifies the following requirements for the payment processing system:
Contoso identifies the following requirements for the historical transaction query system:
Current Issue
Information Security Requirements
You need to recommend a solution for protecting the content of the back-end tier of the payment processing system.