Nearly three-quarters of the 629 surveyed companies experienced attempted or actual payments fraud in 2008. Checks were the payment method most subject to fraud at 91% and were responsible for the greatest financial losses at 60%. The estimated median value of payments fraud decreased 40% from 2007 to 2008. The most widely used risk mitigation tools for checks were positive pay and reverse positive pay at 82%. For ACH payments, the most used tools were ACH debit blocks at 71% and ACH debit filters at 55%.