...I found at least 19 different ATMs that all apparently had been hacked from the inside and retrofitted with tiny, sophisticated devices that store and transmit stolen card data and PINs wirelessly.
In June 2015, I heard from a source at an ATM firm who wanted advice and help in reaching out to the right people about what he described as an ongoing ATM fraud campaign of unprecedented sophistication, organization and breadth. Given my focus on ATM skimming technology and innovations, I was immediately interested.
Follow-on story: Tracking Bluetooth Skimmers in Mexico, Part II
"I'm doing a (free) operating system (just a hobby, won't be big and professional like gnu) for 386(486) AT clones." - Linus Torvalds, father of Linux on his hobby that ended up changing the world of technology