Roman Valerevich Seleznev, a Russian national accused by United States authorities of operating several carding forums and hacking into point of sale (PoS) systems in an effort to steal payment card information, has been denied bail, the Department of Justice announced on Friday. At the hearing, prosecutors revealed that they had found 2.1 million stolen credit card numbers on the laptop Seleznev had on him when he was arrested in the Maldives in July.