The breach we were notified of involved customer information relating to property valuations.

CBA’s systems were not breached, so we can reassure our customers that no bank account information was disclosed as part of the incident.

The customer information that was disclosed relates directly to the valuations completed by LMW and includes customer name; contact details such as phone or email address; and details about the valued property.

CBA Group is contacting all affected customers to advise of the proactive steps the Bank has taken in response to this incident, which includes heightened monitoring of their accounts.

We take the protection of data and security incidents very seriously which is why we have immediately suspended using LandMark White while we investigate how this occurred.

Further information is available for customers at www.commbank.com.au/valuationincident or customers can contact CBA on 1800 312 727.

Bankwest customers can call 1300 300 994 for more information.