Reduce checkout scope with FMEA thinking
Use FMEA-style thinking to identify and reduce card-data leakage paths in a checkout design.
Hosted checkout fields are in place, but analytics, session replay, support screenshots, and QA tools may still capture sensitive payment data. FMEA: failure mode, effect, severity, occurrence, detection, action. The novice move is to declare the design out of scope because hosted fields are used. Scope can return through observability and support tools. List failure modes Session replay records the payment DOM; analytics captures card-like input; logs store processor payloads; support screenshots include the payment frame. Specific failure modes beat vague security concern. Each one has a different control. Name effects Effects include PCI scope expansion, card-data exposure, audit evidence…
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