CRYPTOMATHIC BLOG

3 min read

Martin Rupp (guest): 22. September 2022

An issuer is one of the corners in the ‘four corner’ model. An issuer is a financial organization (e.g. a bank) that produces payment cards and...

EMV Key Management PCI DSS HSM ANSI X9.24 Payment Security 4 Corners Model

4 min read

Martin Rupp (guest): 16. June 2022

Cardholders (or consumers) are one of the corners of the ‘four corner’ model in the payment card world. Here we take a brief look at the payment...

EMV PCI DSS ANSI X9.24 Payment Security 4 Corners Model

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