How is Credit Card info protected in PRO version?

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Hello,

I am planing to implement a service using the PayPal Pro offering. After reviewing the Pay Pal Pro feature list, I came to wonder how s2Member is managing/storing the credit card information. According to PayPal, the store owner is responsible for handling the financial data when using the PRO version. How does s2Member protect the financial and personal data that is being entered during the checkout process?

What information in particular does the Security Encryption Key feature encrypt?

Any insight is much appreciated.

Regards,

Martin

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*** SOLVED ***

Found the answer in the Spec & Change Log documentation on the s2member PRO page.

Does the s2Member Pro Module store any financial information in my WordPress® database tables?

No, all financial details; including, but not limited to; credit card numbers, expiration dates, and billing addresses; are ALL stored securely, inside your PayPal®, AliPay®, ClickBank®, and/or Google® Checkout accounts; and NOT within WordPress®. s2Member only stores a Paid Subscr. ID ( aka: Recurring Profile ID, etc. ) inside existing WordPress® database tables, as an easy way to reference information obtained through API calls to your Payment Gateway(s). s2Member only uses approved API connection routines that are provided by your Payment Gateway(s).