American Express blames third-party for card data leak
Briefly

"Your current or previously issued American Express card account number, your name, and other card information such as the expiration date, may have been compromised. It is important to note that American Express owned or controlled systems were not compromised by this incident."
For worried Amex customers, the finance giant said in its letters that customers aren't liable for fraudulent charges.
Read at Theregister
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