Almost half a million Monzo customers urged to change pin after security error

ALMOST half a million Monzo customers have been told to change their PIN after the app based bank found a security bug.

The flaw recorded their details to an internal part of system that engineers had access to, so it has promised no customers will exposed to fraudsters.

The bank has since deleted the information following the discovery of the bug on Friday.

Tom Blomfield, CEO at Monzo said: “We’ve fixed a problem that meant we’d been recording some people’s PINs in a different part of our internal systems (in encrypted log files).

“Engineers at Monzo have access to these log files as part of their job.

“The information wasn’t available to anyone who isn’t a Monzo employee.

“We’ve delete the data and done a full review of our systems and are confident this information hasn’t been accessed or used in a fraudulent way.

“We’ve contacted everyone affected by the issue to let them know that they should update their app and change their PIN.”

The issue affected less than a fifth of UK Monzo customers and the bank has confirmed the information hasn’t been used to commit fraud.

Monzo has advised customers customer’s impacted as a precaution should head to a cash machine to change their PIN to a new number.

How to change your PIN

Customers can change their pin by putting their Monzo card into a cash machine, enter their old PIN and choose "PIN services".
They should choose "Select a new PIN" and change it to a new number.

Update your Monzo app

The bank has also advised to update their app in Apple Store or Play Store if they are not on the latest version.

The latest versions of the app are iOS 2.59.0 and Android 2.59.1.

How do I know if my account has been impacted?

Monzo has messaged all customers affected by the bug and have told them to change their PIN by going to a cash machine.
The bank has also said if any customers see anything unusual on their account to get in touch with them straight away through the in-app chat or by calling the number on their debit card.

Shoppers have also been warned not to use bank transfers when they pay for things online as if something goes wrong it can be difficult to get their money back.

People should also be wary of fake Wifi hotspots that can steal your personal data

Fashion retailer Peacocks has also been warning customers not to place orders on a fake website pretending to be the high street chain.

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