An international transaction of a little less than INR 3,00,000 was being undertaken using my credit card. Since in internation transactions (at least some of them), there is no OTP that comes, I would ordinarily not have realised it. Thanks to the HDFC monitoring team who reached out to me in real time for verification of whether I was undertaking the transaction and upon my denial stopping the transaction from occurring. Since that day, I keep my international transactions off and only activate it when I am either undertaking one or travelling to another country.
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