Choose validated hardware, hosted fields, and prefilled SAQ options so the questionnaire becomes a coffee-break task. Segment Wi‑Fi, rotate passwords, and disable defaults. Keep an incident log and training checklist, proving due diligence if an auditor or landlord’s cybersecurity addendum ever appears.
Activate AVS, CVV, device fingerprinting, and velocity rules, then review weekly false positives with a human eye. Layer in 3DS for risky orders, and whitelist loyal customers. Document playbooks for mismatched shipping data so staff reacts fast without rejecting good revenue.






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