For at least the last three decades, fraud monitoring of transactions and portfolios has been a cornerstone of protecting the brand, be it for scheme, bank or consumer reputation. There have been a number of heavy-duty products in the market place in that time that target specific monitoring needs. However financial institutions can meet regulatory requirements with an excel sheet – (the main card schemes mandate that their members should use a fraud system – but do not necessarily mandate what that system should have as functionality). So, what is the tipping point?

https://www.finextra.com/blogposting/16846/tipping-point---when-simplicity-is-not-enough-in-a-fraud-system