What Does Cardholder Information Security Program (CISP) Mean?

The cardholder information security program (CISP) is a standard used by credit card companies in order to protect cardholder information during transactions and processing on the internet, over the phone or at the point of sale, and includes standards on how this sensitive data should be stored by merchants.

Techopedia Explains Cardholder Information Security Program (CISP)

The cardholder information security program is intended to ensure that Visa cardholder data is protected wherever it resides. It ensures that members, merchants, and service providers utilizing the Visa brand maintain the highest security standards in protecting cardholder information to prevent financial loss.