Free business safety checklist
Before changing supplier bank details
Stop. Verify the change before you save it.
For accounts teams and anyone maintaining supplier payment records.
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Five checks to use at work
- Pause the changeHold the bank-detail update and pending payment.
- Call your established contactUse a previously verified supplier number, not one in the request.
- Confirm the destinationIndependently confirm account name, BSB and account number. An email reply is not verification.
- Record the checkSecurely record who confirmed the details, when and which trusted number you called.
- Get approval before savingFollow your approvals and have a second authorised person check before updating the record.
Already acted?
- Stop pending payments and alert finance.
- If money was sent, contact your bank immediately for urgent fraud assistance.
- Preserve the message for IT.
Sources and further reading
Primary guidance checked in October 2026. Your organisation’s procedures and IT team should guide the response to a real incident.