Payment Security Audit

ecommerce-payment-security · v1.1.0 · paid

Evaluates code-level payment implementation security covering Stripe/payment provider SDK usage, client-side tokenization, webhook verification, fraud prevention patterns, and payment error handling.

Payment Integration Security

payment-integration · weight 0.3

Secret API keys are not exposed to the client-side bundle
ab-001153
critical
Webhook signature verification is implemented on all payment webhooks
ab-001154
critical
Raw card numbers (PAN) are never sent to the backend; tokenization is used
ab-001155
critical
Tokenization occurs strictly client-side via provider SDK
ab-001156
critical
API keys and secrets are loaded exclusively from environment variables
ab-001157
high
Idempotency keys are used on all state-changing charge requests
ab-001158
high
Official provider SDKs are used over custom card input fields
ab-001159
high

Client-Side Payment Handling

client-side-handling · weight 0.3

Fraud Prevention

fraud-prevention · weight 0.2

Payment Error Handling

payment-errors · weight 0.2