wiredmikey writes Researchers with RSA have discovered a Boleto malware (Bolware) ring that compromised as many as 495,753 Boleto transactions during a two-year period. Though it is not clear whether the thieves successfully collected on all of the compromised transactions, the value of those transactions is estimated to be worth as much as $3.75 billion. A Boleto is essentially a document that allows a customer to pay an exact amount to a merchant. Anyone who owns a bank account — whether a company or an individual — can issue a Boleto associated with their bank. The first signs of its existence appeared near the end of 2012 or early 2013, when it began to be reported in the local news media," according to the report (PDF). "The RSA Research Group analyzed version 17 of the malware, gathering data between March 2014 and June 2014. The main goal of Boleto malware is to infiltrate legitimate Boleto payments from individual consumers or companies and redirect those payments from victims to fraudster accounts."
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