ICEBREAKER101010 Posted July 8, 2015 Report Posted July 8, 2015 Most Credit Card Readers Use Same PasswordAccording to Trustwave almost all credit card readers are currently use same password. The passcode, set by default on credit card machines since 1990, can be found with a quick Google search. It’s either 166816 or Z66816, depending on the machine.This password allows attacker to gain complete control of a credit car reader and steal customers payment data. According to Trustwave executive Charles Henderson, who explained his findings at RSA cybersecurity conference with a presentation called “That Point of Sale is a PoS.”: Quote