We ask for your pin whenever you need to make a payment, or doh anything else that's sensitive on your Monzo account.
And as your bank, we donjon a record of your stick so we canful chit youve entered it correctly. We store them in a particularly secure part of our systems, and tightly check who at Monzo can access them.
On Friday 2nd August, we discovered that wed also been recording some peoples PINs in a different part of our internal systems (in encrypted log files). Engineers at Monzo experience access to these log files as part of their job.
Weve deleted the information that we stored in this way. as soon as we discovered the bug, we immediately made changes to make sure the information wasnt accessible to anyone in Monzo.
By 5:25am on sabbatum morning, we had released updates to the Monzo apps. Over the weekend, we then worked to delete the information that wed stored incorrectly, which we finished on monday morning.
You should update your app in the App store or frolic Store. The latest versions of the app are iOS 2.59.0 and Android 2.59.1 (you mightiness already be on the latest version!).
Update my app on Android
Update my app on iOS
No 1 outside Monzo had access to these PINs. Weve checked all the accounts that have been affected by this bug thoroughly, and confirmed the information hasnt been used to commit fraud.
Just in case, weve messaged everyone thats been affected to let them know they should alteration their pin by going to a cash machine.
The issuing affected less than a fifth of UK Monzo customers. If weve contacted you to narrate you that youve been affected, you should chief to a cash machine to change your pin to a new number as a precaution.
You can do this by putting your Monzo card into the cash machine, entering your old pin and choosing PIN services. Then choose Select a new PIN and commute it to a new number.
If you suppose you see anything unusual on your account, please get in contact with us straight away through in-app confabulation or by ring the phone number on your debit card.
If we havent emailed you, you havent been affected. But you should still update your app to the latest version.
Were really sorry about this. Please capture in pinch with us if you get any questions or concerns.