How to protect ourselves from Credit card frauds?

Credit card fraud is a wide-ranging term for theft and fraud committed using or involving a payment card, such as a credit card or debit card, as a fraudulent source of funds in a transaction. The purpose may be to obtain goods without paying, or to obtain unauthorized funds from an account. R.Sathyanathan, an expert in technology related consumer issues, presents some tips to protect you from credit cards fraud.