A fraud ring that targets the Boleto is one of Brazil’s most popular payment methods. The gang’s “Bolware” malware compromised about 496,000 transactions over a two-year period. The attacks are notable not just for the amount of money fraudsters may have stolen, but also because they used a man-in-the-browser attack technique. The more time that passes, the harder it becomes to freeze and recover stolen funds, identify the attackers or shut down their operations.”]
Source: https://www.cuinfosecurity.com/browser-focused-banking-attacks-evolve-a-7026