NatWest claims to have saved its corporate clients over £7 million through the use of a purpose-built system to detect and prevent invoice redirection fraud - where businesses are duped into paying money into a fraudster’s account rather than to their intended supplier.

https://www.finextra.com/newsarticle/31899/natwest-and-vocalink-use-machine-learning-to-tackle-invoice-redirection-fraud