Here’s an article from WP Security Bloggers written by Robert Abela which I thought you might find of interest.
“If you have an e-commerce or business WordPress site, most probably you’ve already heard of PCI DSS and PCI compliance. As an online merchant / seller your WordPress website has to be compliant to the PCI DSS regulations, otherwise you risk being fined.”
To read more head over to WP Security Bloggers
Till next time,