PCI compliance is used in a variety of industries and situations where sensitive payment information is collected stored, or transmitted. Some common use cases include

Online Retail

E-commerce websites must comply with PCI standards in order to accept credit card payments online

Healthcare

Healthcare providers need to securely collect a customer's insurance details, membership ID, credit card information, etc. for services or products provided by them

Government

Government agencies that accept credit card payment for services or fines may be required to comply with PCI standards

Education

Educational institutions that accept credit card payments for tuition, fees, and other charges must comply with PCI standards

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It is important to note that any organization that accepts, processes, or stores credit card information must comply with the PCI DSS regardless of their size or the number of transactions they process