One time I used my credit card in Jamacia in the morning before boarding the plane, Detroit when we landed to buy gas and then we drove to Indiana to see the kids at college, and I used it down there. They were on the phone the next day calling to see if I had made all those charges. Last week the bank called and asked if I made a large purchase in China. I'm on an account (in the US) with my son and dil who live in China and they had purchased a computer. I told the guy I would contact my son and get back with him if anything was wrong with the purchase. The banks don't ask personal questions, just check to see if you've been making the charges. I'm glad they do that. If they did ask personal questions I wouldn't give them the information. I would call to verify it.