Founder narrative
The month a card-testing attack hit my signup form at $35K MRR: a fraud diary (2026)
In 2026, the endpoint you optimize for growth is the same one fraudsters optimize for abuse. A composite founder diary about the morning a card-testing bot turned a frictionless signup form at $35K MRR into a stolen-card validation service, and the 48-hour scramble to shut it down.
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