A massive glut in the number of credit and debit cards stolen in data breaches at financial institutions last year has flooded criminal underground markets that trade in this material, driving prices for the illicit goods to the lowest levels seen in years, experts have found. For a glimpse of just how many financial records were lost to hackers last year, consider the stats released this week by Verizon Business. The company said it responded to at least 90 confirmed data breaches last year involving roughly 285 million consumer records, a number that exceeded the combined total number of breached records from cases the company investigated from 2004 to 2007. Breaches at banks and financial institutions were responsible for 93 percent of all such records compromised last year, Verizon found. As a result, the stolen identities and credit and debit cards for sale in the underground markets is outpacing demand