Trustwave examined the credit card terminals at more than 120 retailers nationwide. 'We're making it pretty easy for criminals.' 'No one is changing the password when they set this up for the first time everybody thinks the security of their point-of-sale is someone else's responsibility,' Henderson said. But no one thinks it's their job to update the master code, Henderson told CNNMoney.
Device makers sell machines to special distributors.
The problem stems from a game of hot potato. Take this CNN quiz - find out what hackers know about you
