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What do I do if there’s a device registered for the ASB Mobile Banking app that I don’t recognise?

Last Updated: 04 Dec 2025

We take security extremely seriously. If you see a device, you do not recognise in your list of registered devices follow these steps:

Remove the device using either the ASB Mobile Banking app or FastNet Classic Internet Banking.

ASB Mobile app: 

  1. Log in to the ASB Mobile app.
  2. Tap the profile icon in the top left corner of the ‘Accounts’ screen.
  3. Tap ‘Settings’, and under ‘Devices’ select ‘Manage devices’.
  4. Select the device you wish to deregister and tap 'Remove device'.

FastNet Classic:

  1. Log in to your FastNet Classic account.
  2. Click on 'Settings' in the top right of the page.
  3. Click on ‘Manage devices’.
  4. Select the device you wish to deregister and click 'Remove device'.
  5. Click 'Remove' to confirm.

Tip: The last used by date and registration date can help you identify potentially suspicious activity.

If you think there has been fraudulent activity on your accounts:

Change your password and review your accounts for any suspicious transactions or activity.

If you see any suspicious or unfamiliar activity and you think you have been targeted by an online or phone scam, let us know and we'll do everything we can to help. Call 0800 ASB FRAUD (0800 272 372), or +64 9 303 0332 if you're overseas.


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