Should you be worried about Payment Card Industry Data Security Standards? If you accept any type of payment card—debit, credit, and even prepaid cards—then, yes, shopowners must take PCI Compliance (as it is informally known)very seriously. Businesses found to be out of compliance with these rules face, at the very least, serious fines from their payment card processor and risk losing the ability to process credit and debit cards entirely. However, the issue of PCI Compliance is murky fo