Was it a CHASE card? I've seen reports of Compromised Chase credit cards on Flyertalk [1] and a couple of them mentioned use of a cloned card in Brazil. Edit:

Was it a CHASE card? I've seen reports of Compromised Chase credit cards on Flyertalk [1] and a couple of them mentioned use of a cloned card in Brazil. Edit: [1] http://www.flyertalk.com/forum/chase-ultimate-rewards/1682573-chase-hacked-again.html http://www.flyertalk.com/forum/chase-ultimate-rewards/168257...