Many scams take place near the ATMs and banks, if you are off guard.. Take cues from the news paper reports of such incidents and take precautions.
If transaction is denied in one ATM try another ATM nearby instead of trying again and again. Sometimes swindlers offer to help you and filch your card and give you some others stolen or dead card. They vanish before you realize that you have been cheated.
Stand between the door and the ATM machine so that nobody can watch you punching your pin.
keep track of your transactions and withdrawals regularly, (note down in a book with details of purchases, date and amount),. which enables you to bring to the notice of the Bank if your card details have been misused.
while using a credit card, go to the counter where the machine is kept and watch . Sometimes the card is swiped twice when you don’t watch and double billing takes place though you are give only one slip.
check after taking back your card after billing. Sometimes the cards are exchanged with expired cards and you are swindled of a lot of money before you realize and inform the Bank
Put your credit card or ATM card immediately after use.
keep the previous withdrawal slip to keep track of your balance.
Keep checking your Bank statements and credit card statements