Mozilla Blog: Hacked! Unravelling a data breach

When I received the first invoice in the mail from FedEx, I called my credit card company who assured me that the charge had been flagged as fraud. The representative advised me to ignore the letter, and that FedEx knew the charge wasn’t mine. But the second letter from FedEx was clear they weren’t giving up on collecting the fee billed to my “account” even though the real me doesn’t have one.