Experian, Equifax and Trans Union say theyve uncovered cases where hackers gained access to users information. The disclosure offers but a glimpse of the sensitive data available to denizens of the cybercrime underworld, which hosts several storefronts that sell cheap, illegal access to consumer credit reports. In most cases, these services are open to all comers; the only limitation is knowing the sites current Web address and being able to fund an account with a virtual currency, such as WebMoney.”]
Source: https://krebsonsecurity.com/2013/03/credit-reports-sold-for-cheap-in-the-underweb/