New .au domain names and advice from ACSC

ACSC (Australian [Government] cyber security centre) are recommending that all business purchase their equivalent domain name to prevent "...to help protect your business from opportunistic cybercriminals" before 20 September 2022.

To help protect your business from opportunistic cybercriminals, the Australian Cyber Security Centre (ACSC) recommends that all Australian businesses with existing domain names register their .au equivalents before 20 September 2022. If a business does not reserve their .au equivalent direct domain name during this six-month period, that name will become available to the public on a first come, first served basis. 

https://www.cyber.gov.au/acsc/view-all-content/alerts/new-domain-name-changes-could-leave-your-business-or-organisation-risk