Primary Account Number (PAN) The Primary Account Number is also known as unique payment card number or account number that gives details about the cardholder account and the issuer, it is used for either credit or debit cards. Private Network Private networks consider using private IP address space and their access must be protected through firewalls and routers from a public network.

Service Provider Service provider is a non-payment brand entity that processes, stores or transmits payment cardholder data. Any company that affects the security of the payment cardholder information is included as the service provider, i.e. a company providing management services or a company providing hosting services by managing firewalls, IDS, etc.


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