41st Parameter, a Scottsdale, Arizona company that helps retail companies prevent online fraud, said it has raised $10.07 million in a third round of funding.

The financing was led by JAFCO Ventures, with participation from Kleiner Perkins Caufield & Byers and Norwest Venture Partners.

The company’s statement is here.

It has now raised around $25.5 million in total VC funding since 2005, and its valuation post-money is now $56 million, reports Dow Jones’ VentureWire (subscription required).

The 41st Parameter sells its software to retailers for a base price of $25,000 a month, and it helps retailers verify data and other distinguishing information about customers that they have provided during past transactions, including such things as their computer. It says it has made $10 million in revenue over the last eight months, and added Overstock.com and Abercrombie & Fitch as clients, it told Dow Jones.