It was recently discovered that the details of 5 million unique credit and debit cards were exposed in a data breach Financial software provider marquis software solutions is warning that it suffered a data breach that impacted dozens of banks and credit unions across the us. According to the findings, sensitive screenshots were exposed on an unsecured amazon s3 bucket
These screenshots showed users inputting sensitive information into fraudulent promotional offers (such as discounted holiday gifts). The stolen data reportedly includes a mix of credit and debit cards from major providers like visa, mastercard, american express, and jcb. New threat intelligence has revealed that 26 million devices compromised by infostealer malware have led to millions of stolen bank cards flooding the dark web.
Citing notifications filed in multiple us states, bleepingcomputer says that more than 400,000 customers, with accounts in 74 banks and credit unions, were affected. This tactic mirrors similar marketing stunts by other illicit platforms, such as bidencash, which leaked 2 million cards in 2024 to celebrate its anniversary
