Karsten Wenzlaff, Advisor
August 26th, 2025
Karsten Wenzlaff is a Crowdfunding and Fintech Expert from Germany. He is Secretary-General of Digit[...]
Why Card Fraud Can Continue After You Cancel Your Cards
Payments | Jan 12, 2026
Image: Freepik/stockking
How Payment Networks Can Quietly Refresh Compromised Cards
On January 8, 2026, UK consumer watchdog Which? published an eye-opening article, "Why cancelling your card might not stop fraud"explaining why cancelling a compromised card doesn't always stop fraud. The article covers a real world case showing how replacement card details can continue moving through global payment systems, allowing fraudulent charges to resume even after a bank issues a new card. What stands out is that the issue has little to do with careless consumers or missed fraud alerts. It sits deeper, inside how modern card payment infrastructure is built to keep payments running.
How Fraud Can Continue After A Card Is Cancelled
Most global card networks run automatic card updater services. These systems exist to make sure legitimate payments don’t suddenly fail when a card expires or gets replaced.
If a cardholder has previously saved their card with a merchant, the card network can automatically send the replacement card details to that merchant. The cardholder doesn’t need to approve anything and doesn’t need to take any action. It just happens.
See: Rising Threats: The Global Impact of Push Payment Fraud
These services operate across Visa, Mastercard, and American Express. They help subscriptions and recurring payments keep working without interruption. The problem is that the same process can also allow fraud to continue if a criminal has already saved stolen card details inside an account they control. So even when the bank issues a replacement card, if the network automatically updates that account with the new card details, then the fraudulent charges/payments can continue (and likely will leaving consumers bewildered and in the lurch).
What Cardholders Are And Are Not Told
In practice, when an automatic card updater service refreshes stored card details, the update usually happens quietly between the card network, the issuing bank, and the merchant (it all runs in the background).
Cardholders are typically told that a replacement card has been issued. They aren’t clearly told that the new card number may be sent automatically to merchants where the old card was saved, including after fraud. They also aren’t told which merchants receive those updated details.
Some merchants may show a generic message such as “your payment details were updated,” but this varies by platform and is easy to miss. There isn't a standard alert explaining that replacement card credentials were transmitted automatically.
See: JPMorgan vs. Regulators Over Zelle Fraud Scams
Many consumers never realize that automatic updates exist at all. And in most cases, they don’t know the updates can continue after fraud unless someone stops them. Then it stands to reason that they also likely don’t know they can ask their bank to turn them off. Automation keeps running by default, while awareness and consent lag behind.
What Banks Can Do Today
The Which? article confirms that issuing banks can disable updater services or perform what fraud teams often describe as a full wipe. This stops replacement card details from being shared with any online accounts or digital wallets.
The catch is that this step isn’t automatic. In most cases, the customer has to know the option exists and ask for it. Once a consumer later adds their card back to trusted merchants, those accounts may again become eligible for automatic updates.
That means that the outcomes depend more on awareness than on risk.
Why It Matters and Recommendation
Fraud isn’t a routine card replacement; it’s a security failure, and the system doesn’t always treat it that way. Automatic updater services make sense when a card expires or gets damaged, but when fraud has already occurred, letting replacement credentials continue to move silently through the system creates avoidable risk. Requiring express consumer consent after fraud and making full wipe policies the default response would reduce repeat incidents and avoid putting the burden on consumers to navigate payment systems they can’t see.
See: Canada Launches First National Anti-Fraud Strategy
This situation is a good example of how invisible infrastructure decisions can cause real harm when transparency and control fall behind automation. Payments innovation can’t rely on convenience alone. Trust in digital finance depends on how clearly systems explain what’s happening and how decisively they contain risk once something goes wrong.
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