Magecart- The Card-Skimming Group comprises of six major active cybercriminal groups. Group 1, literally hacked over 2,500 online stores eventually evolved into what we call Group 2. Group 4 debuted in 2017, is a particularly crafty group with a victim count of over 3,000 stores. Group 5 is known to infringe third party online service as a way to later focus on their e-commerce customers by means of supply chain attacks. Group 6 has sold its stolen data on a dump and credit card shop, says the report.”]
Source: https://hackercombat.com/magecart-the-card-skimming-group-and-its-many-faces/