Moving through the requirements of PCI DSS 4.0, we’re well over halfway through. During this journey, we’ve touched on cryptography, security and perimeter management, network security, authorization, and other critical security considerations. Now, we come up against the authentication and identity management problem with the eighth requirement. 

Authentication isn’t simply about passwords and CAPTCHAs, however. Regarding payment processing and protecting cardholder data, retailers and processors are expected to implement strong and effective authentication at the point of purchase and in any system that holds PAN information. 

 

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