In November of 2015, Will Caput worked for a security firm assigned to a penetration test of a major Mexican restaurant chain, scouring its websites for hackable vulnerabilities. So when 40-year-old Caput took a lunch break, he had beans and guacamole on his mind. He decided to drive to the local branch of the restaurant in Chico, California. While there, still in the mindset of testing the restaurant’s security, he noticed a tray of unactivated gift cards sitting on the counter.

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