Monitoring the cybercriminal underground sometimes leads us down some interesting paths. We recently encountered a cybercriminal posting in a Russian underground forum which led to the discovery of more than 136,000 stolen credit card credentials.
more here..........http://blog.trendmicro.com/trendlabs-security-intelligence/brazilians-in-the-russian-underground/
more here..........http://blog.trendmicro.com/trendlabs-security-intelligence/brazilians-in-the-russian-underground/