iStream Financial Services

Most ACH fraud rules have historically focused on unauthorized transactions. Nacha's latest rule targets something harder to catch: transactions that look completely authorized because the victim was coached into making them.

Business email compromise, vendor impersonation, payroll diversion scams. The customer initiates the payment. The bank processes it. And by the time anyone realizes it was fraud, the money is gone.

For the first time, Nacha is requiring banks to actively monitor incoming ACH credits for these "false pretenses" scenarios, not just outgoing transactions. The June 19 deadline extends that responsibility to institutions of every size.

Worth a read for anyone in banking, payments, or financial operations:
https://www.msn.com/en-us/news/insight/new-nacha-rule-compels-banks-to-flag-coached-ach-scams/gm-GME6D65182

New Nacha rule compels banks to flag coached ACH scams Rule takes effect: From March 20, banks must monitor ACH transfers for unusual activity linked to coached scams. Closing loopholes: The regulation targets false-pretense scams, reducing banks’ ability to deny responsibility when victims authorize transfers. Consumer leverage: Victims can cite Nach...

ACH is transforming and it’s no longer just “cheap and slow.”

With higher volumes, faster settlements, richer data, and new use cases, ACH is becoming a dynamic force in payments.

Why does this shift matter?

It’s reshaping how organizations move money, manage risk, and unlock new opportunities. Discover what’s driving the change, and how your business can stay ahead.