Mastercard says nine UK banks, including Lloyds and NatWest, signed up to use its AI-based Consumer Fraud Risk system, trained on years of transaction data (Olivia Solon/Bloomberg) Technology July 6, 2023 [ad_1] Olivia Solon / Bloomberg: Mastercard says 9 UK banks, together with Lloyds and NatWest, signed up to make use…