You Passed the ROC. Can You Defend Checkout? PCI DSS 4.0.1 for Payment Processors
Very few people know this, but passing a PCI audit has very little to do with having defensible evidence. Your processor passed its last PCI assessment. Three months later, a merchant using your payment forms gets hit with a Magecart attack. Card brands start asking: What monitoring did you have on that checkout page? When did you detect the compromise? What evidence can you provide? That’s when the gap becomes obvious.