Amazon sku is known to others.

What you want to ask is the consequences of Amazon sku being known by others? Amazon's SKU information only represents a way of inventory management and will not expose account information or passwords. Amazon's SKU is the basic unit to measure inventory in and out, which can be in units of pieces, boxes and plates. Amazon's SKU information is publicly visible. It is not uncommon for Amazon's SKU to be known by others, which does not mean that account security is threatened.