"It's almost a curiosity issue for us" to identify the banks and the states that consumers appear to be most concerned about from an identity-theft perspective, he said. All of the data in the StolenID databases has been culled by crawling the Web, chat rooms and Usenet groups, he said.

"After only a week, I can confidently say that this service is tapping into a need on the part of ordinary Americans to know if their personal data is safe," Mitic said.