What goes around comes around: hackers leak other hackers’ data online

Group1B reports:

Group-IB, a global threat hunting and adversary-centric cyber intelligence company, discovered that user data of the Swarmshop card shop have been leaked online on March 17, 2021. The database was posted on a different underground forum and contained 12,344 records of the card shop admins, sellers and buyers including their nicknames, hashed passwords, contact details, history of activity, and current balance. In addition to user data, the database exposed all compromised data traded on the website, including 623,036 payment card records issued by the banks from the USA, Canada, the UK, China, Singapore, France, Brazil, Saudi Arabia, Mexico; 498 sets of online banking account credentials and 69,592 sets of US Social Security Numbers and Canadian Social Insurance Numbers. Group-IB notified the national CERTs in the above-mentioned countries about the breach so they could take the necessary steps to mitigate the threat.

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