Cheap, quick and effective, credit card skimmers plague ATMs and point-of-sale posts around the world, stealing credit card numbers while being almost impossible to spot with the naked eye. That’s why Nate Seidle, CEO of the open source electronics firm SparkFun, developed a free, open-source skimmer detection app on Android that looks for the Bluetooth signals Seidle found on the skimmers he tested. Seidle built the app after his local police department asked him to take apart three skimmers that were found nearby gas pumps to see if it was possible to alert the victims. That was accomplished, but the developers went a step further and put together Skimmer Scanner to look for skimmers broadcasting 10-15 feet over Bluetooth as HC-O5 with the password 1234. Skimmers take seconds to install once an attacker acquires one of the physical master keys for a gas pump or ATM, opens up the machine, unplugs the credit card reader from the main controller, […]
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