Some sites that mediate the sale of hacked data use Reddit-style upvoting systems to weed out scammers and law enforcement
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When personal data is stolen in a breach, such as the recent high-profile attacks on Optus and Medibank, it often begins a journey through a shadowy criminal marketplace which follows surprisingly traditional models of supply and demand.
Passwords, personal information, copies of identity documents and contact details of victims may pass through a web of transactions, mediated in online forums or hidden on the dark web, and denominated in cryptocurrency, before ending up in the hands of those who plan to exploit them.
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