Custom church payment system: GPT security audit caught a critical flaw before it was too late

petergyang · x · 2026-10-12

Developer Micky built a custom payment system for her church—Canada's payment services charged exorbitant fees, and real money now flows through it. She asked GPT-6 Astra to run a security audit and found one issue that would have been detrimental. Her rules: any app used by real people with real money needs a security audit, and agents should never touch live keys or production data. Retweeter adds: build fast, but checking deserves the extra hour when real money is involved.

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