Chapter 7. Retailgeddon

Far out in western Pennsylvania, cars sat parked in the lot of a white, nondescript building. Four flags flew proudly above the main entrance. The exterior of Fazio Mechanical Services was plain—but despite its humble facade, the tiny HVAC company boasted an impressive clientele: Sam’s Club, Super Valu, Trader Joe’s, and Target, among many others.

Inside the white walls of the building, an email quietly landed in someone’s inbox. The reader clicked, triggering installation of malicious software and opening the door for cybercriminals. Little did anyone know that this one tiny act would trigger an avalanche that would lead to the theft of 40 million credit card numbers and eventually bury an international retailer in a ...

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