- Call the bank to inform them of the fraudulent charges and to cancel the card.
- Make a police report and inform the bank again once the report has been made.
- Contact the merchant. In her case, the merchant was Uber but she was unable to find their contact number in Singapore. She had to contact Uber via the app and fortunately Uber replied her via email.
- Unlink the card from Uber. From her Facebook's comments, unlinking the card is not a straightforward process. One has to change the payment mode to cash before you can unlink the card.
Recently, my wife was an unfortunate victim of a debit card fraud. You can read about her experience here: Naturally she was upset but she stayed calm and proceed to:
I got hit twice. First what i did is to call the bank. They replace my card and also cancel all the transaction.
I got another one recently. They replace my card too. And put all the illegal transaction onhold for investigation which i expects to be cancelled.
That’s all I do. Just a call.