Previous stories on KrebsOnSecurity about ATM skimming attacks have focused on innovative fraud devices made to attach to the outside of compromised ATMs. Security experts are now warning about the emergence of a new class of skimming scams aimed at draining ATM cash deposits via a novel and complex attack. The attackers responsible for this “black box” ATM hack relied on a mobile device and a USB-based circuit board.

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Thieves Jackpot ATMs With ‘Black Box’ Attack