MasterCard Data Security Rules

Cardholder Information—Consider It Secure

To protect your business, your customers, and the integrity of the payment system, MasterCard has in place a set of requirements governing the safekeeping of account information. These requirements affect the storage of cardholder information, reporting a security incident, and more. To read a summary of these requirements, download the merchant requirements for securing cardholder information below.

Download MasterCard Data Security Rules (PDF).

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