// writing
Posts tagged #fraud
A mix of technical deep-dives, career reflections, and dispatches from the road.
tag: #fraud
financeAug 12, 2026· 4 min
Payment Fraud Detection and the False Decline Problem
Card fraud systems score every transaction in well under a second, but the legitimate orders they wrongly reject cost merchants far more than the fraud they catch. A look at risk scoring, 3-D Secure, and the error nobody instruments.
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financeAug 8, 2026· 5 min
KYC in the Deepfake Era: Why a Selfie Stopped Being Proof
The document-plus-selfie onboarding flow every fintech copied is quietly failing. Here is how identity verification actually works, why injection attacks broke it, and what the layered replacement looks like.
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