E-commerce Security Policy Audit Report

 Write a Audit report for E-commerce (Amazon ) Backup policy, 

Thinks should cover in backup policy like homogeneous operating system environment like Windows, Linus, or Mac OS.

How it is useful, and Importance of the backup policy with two operating systems like Windows and MacOS

Audit Report should in Passive voice, APA format, Number of pages(4-5) without reference