My Strange Credit Card Fraud With Grab In Malaysia: Help Me Make Sense Of It?

Despite the fact that I have dozens of credit cards, I deal with very little credit card fraud, all things considered. It’s also not something that I’m too paranoid about, given the great protection offered by most credit cards in the event of fraud.

It had been quite some time since I’ve dealt with credit card fraud, though I guess it was time for that clock to reset. I always find it interesting to see the methods used for credit card fraud, and this one is particularly strange, so I’m curious if any OMAAT readers have theories.

Seven fraudulent Grab transactions on my credit card

While going through all of my credit card transactions this morning, I noticed something strange on my Citi Double Cash Card. It’s not a card that I’m currently using for spending (it’s “sock drawered,” for the time being), though I just noticed that I’ve had seven transactions on the card in recent weeks, all from Grab in Malaysia (or at least that’s what it appears to be, based on the currency).

For those not familiar, think of Grab as being the equivalent of Uber in Asia. The transactions ranged from $19.99 to $124.91, and it’s interesting how they’re spaced out so much.

My Citi credit card activity with Grab transactions

When I look at the breakdown, the “Spend Category” shows as “Miscellaneous – Poi Funding Transactions” for all the purchases. I’m not sure if that’s just usually how Grab purchases post, or if that’s a hint of something? Because nearly $125 for a Grab ride in Malaysia is mighty expensive!

My Citi credit card activity with Grab transactions

Some might wonder how I didn’t catch this sooner. It’s a fair question. I have the card set up on autopay, and since I’m not currently using the card much, I wasn’t paying much attention. However, I tend to review all of my transactions every several weeks, since that’s still within the time period where things can be disputed. It was while doing one of these “sweeps” today that I caught this.

What confuses me about this Grab credit card fraud

It’s always fascinating to see the methods used for credit card fraud, and I’m really struggling to make sense of this. Here are some details that make this interesting, as I see it:

  • I actually did use Grab for the first time in early November 2025 (I can’t believe it had taken so long!), in Malaysia; however, I used a completely different card for my Grab purchases, and not the Citi Double Cash Card on which the fraud occurred
  • None of the above transactions show in my Grab account, and let me emphasize that my Citi Double Cash Card isn’t saved to my Grab profile
  • I have the Citi Double Cash Card in my possession, so it’s not that the card was stolen; however, I did have the Citi Double Cash Card in the backpack I was traveling with (along with around a dozen other cards — I didn’t have fraud on any of those other cards)

So does anyone have any theory as to what’s going on here? Is it just a complete coincidence that this fraud happened weeks after I used Grab for the first time, also in Malaysia? Did someone remove the card from my backpack while I was in Malaysia, and has been using it for transactions ever since (but only for Grab, and not any other cards that were in my backpack)? Is this even being used for Grab rides, or is this “Poi Funding Transactions” thing indicative of something else?

I’ll tell you one thing — credit card fraud is never boring, and the circumstances of how it happens always fascinate me. So if anyone has any thoughts, I’d be fascinated to hear them.

This all happened shortly after I traveled to Malaysia

Bottom line

For the first time in quite a long time, I’ve dealt with credit card fraud. Specifically, my Citi Double Cash Card (which I don’t otherwise put spending on nowadays) has had seven transactions with rideshare app Grab in the past several weeks.

The odd thing is that this came just shortly after I used Grab for the first time, also in Malaysia. However, this isn’t the card that I used with Grab, and I also have the card in my possession, which makes this all very strange to me.

Does anyone have any theories as to what’s going on with this fraud?

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JASON DER Guest

Every time you key in a card number and cvv into certain website during payment, there will be a chance that it will be leaked. You may see your credit card number on some marketplace with your full details (name, address, zip code etc.) with 20+ buck. Also remember current modern 3DS 2.0 of a credit card will have a chance to trigger frictionless flow (no OTP prompt and transaction directly approved).

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Jack Guest

Recently flew to Rio last month in premium select and the seat next to me was empty when a man from first class asked if I would mind if he sat there while the baby slept in his seat. I said fine and went to sleep as it was an overnight flight. Well when I woke up a woman was next to me with a winter coat over her. I said who are you and she claimed not to speak English. So i went to the flight attendant and asked her to investigate as I had a funny feeling about this change. She said it was OK since they were from first class and not economy. Anyway the woman moved to the seat one row forward. Now when I got to Brazil I was contacted by two of my credit card companies for a fraud alert. The cards were in my wallet while I slept and I can only assume the woman scanned my pocket while I slept and must have touched my pocket with the scanner and that's why I woke up. Word to the wise beware of people who change seats on overnight flights. If I didn't have another card I would have had a big problem as these cards were immediately terminated. Kudos to the different card companies for their quick alertness.

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Pushkar Guest

I highly recommend using one of the Mint.com replacements to keep track of purchases with all the CC's you have, that's how we catch fraud early

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omarsidd Diamond

If I remember right, the Grab app allows a lot of non-rideshare purchases, so I'd expect it's some of those...

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Henry Young Guest

Most banking apps allow you to temporarily deactivate cards to prevent their misuse. Consider using this feature particularly if you have a lot of cards, making it difficult to monitor them all. Some apps even allow you to disable by transaction type so that you can for example disallow online transactions while allowing Chip & PIN transactions. Or maybe USA is still lagging in retail banking tech ???

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