Just last week, Spanish police working with Europol, the FBI, and a group of other international agencies arrested what they called the "mastermind" behind Carbanak's financial institution hacking, particularly a spree of ATM jackpotting and other money laundering.
Last fall, the security firm Morphisec showed that it only took Fin7 a day to create a fileless malware attack for a newly discovered weakness in Microsoft applications.
SAKS Fifth Avenue, Saks Off 5th, and Lord & Taylor department stores—all owned by The Hudson’s Bay Company—acknowledged a data breach impacting more than five million credit and debit card numbers.
The group—which often appears to be Russian-speaking, but hasn't been tied to a home country—generally works on a normal business schedule, with nights and weekends off.
They make at least $50 million every month.