I got this message as well.

Caller: Fraudster claiming to work at CBA

Asian accent claiming to be Eric Watson, a senior supervisor at CBA in Sydney. Advised that our funds were being stolen & that he is working with the Federal Police to catch a fraudster called Mick Wilson. Funds were drained from our savings account via Netbank in EUR and Indian Rupee. BEWARE- DO NOT ANSWER THIS CALL!!!!!!

Message received on my mobile phone today "NAB - Your Internet Banking services are suspended pending device verification. Visit ..............". I did not open the message to view it entirely but this is clearly an attempt to takeover my mobile phone if I opened the message or clicked any link within the message.