BriansClub is one of the best underground card shops for buying and selling stolen credit cards, according to security experts. They say it has a steady flow of stolen information, good customer service and expert quality control. It also appears to enjoy goading the cybersecurity journalist and blogger Brian Krebs, who runs the blog Krebs on Security. 1. BriansClub BriansClub, a carding shop on the dark web, has become known for its steady flow of stolen credit-card information and expert quality control. The site also appears to enjoy goading cybersecurity…