Researchers are tracking a group of cybercriminals in Brazil that created malware relying on the man-in-the-browser technique to compromise 495,753 boleto transactions. The term boleto may not ring any bell to most of us, but in Brazil it is a very popular payment instrument that can be used in online purchases through the emitting banks website. One particularity is that boleto transactions can only be reversed by bank transfer. The popularity of boletos i…
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