Hacker group All World Cards has put the data of 1 million credit cards up for sale on the darknet, CNBC has reported citing cybersecurity firm Q6.
The breach has affected credit cards belonging to citizens of the United States and other countries.
The channel's correspondent, Eamon Javers, said that a group of "Russian-speaking" cybercriminals carried out the attack. According to him, the hackers are willing to provide the data obtained for free "as an introductory offer." Javers said:
"One million stolen credit cards is a large number - even for the Dark Web where large amounts of stolen credit card information have been available for sale for years. Criminals will likely start using these stolen cards in coming days, so banks should see an impact soon."
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Javers has also published an advertisement allegedly released by hackers according to which we are talking about 2018-2019 credit cards.