A joint operation between French and Bulgarian law enforcement has brought down a carding gang operating out of Bulgaria. 11 people were arrested and 29 properties searched on 20 May 2014. The raids discovered three separate bases for building card skimming equipment in the coastal city of Varna, described by Europol as complex production sites The gangs activities centred around French provincial cities such as Nancy, Metz and Lyon, with other countries in the EU also hit. Skimming is not just an ATM problem, with similar techniques used in retail stores and service stations.”]
Source: https://nakedsecurity.sophos.com/2014/05/26/11-arrested-as-europol-busts-bulgarian-carding-gang/