9. Keep an Eye on Your Card during TransactionsWhile using your card for transactions, it is imperative to keep an eye on it when it is being swiped. If possible, make sure the person in front in not mishandling your card or copying the numbers while processing it. Now, why is that? Well, the point-of-sale transaction is often where most people take advantage of noting down numbers, thus using it later on for credit card fraud.