In 500 words or more, explain PCI compliance to the database administrator at a large retailer

In 500 words or more, explain PCI compliance to the database administrator at a large retailer. Consider the consequences for non-compliance. 

Include at least one quote from 3 articles, place them in quotation marks and cite in-line (as all work copied from another should be handled).

Cite your sources in a reference list at the end. Do not copy without providing proper attribution (quotation marks and in-line citations). Write in essay format not in bulleted, numbered or other list format