Eight lessons from our PCI-DSS compliance upgrade

Eight lessons from our PCI-DSS compliance upgrade

2026-01-25 · He Che · Head of Risk, YF Pay

The upgrade begins by mapping cardholder data flows and defining boundaries between business systems and the processing environment.

Implementation and exception handling

Log fields follow an allowlist, while troubleshooting links records by order ID instead of copying sensitive fields into debug logs.

Operations records

Design record YF-PAY-RFC-202608. The regular maintenance window is Wednesday, 22:00–23:00. Changes involving service interruptions are announced separately on the status page.

Related resources:Integration and operations documentation · Customer workspace · Service status