The $100 Billion Hidden Fraud Crisis

Banking Transformed with Jim Marous · Jan 20, 2026 · 47m

Thirty to fifty percent of your fraud losses don't come from hackers or organized crime rings. They come from your own customers disputing legitimate transactions under their own names. This is first-party fraud, and it's a $100 billion problem that most financial institutions don't even track as a separate category.

While banks use advanced tools to detect external fraudsters, their own account holders are taking advantage of long-standing dispute processes meant to protect consumers, turning chargebacks into weapons against the very institutions that serve them.

The math is staggering: this…