Claimed to be from Bpay security about dubious payments. Was interrupted by a child speaking to him. I hung up

Caller: Fake Telstra

Another call from fake Telstra as I don't have a Telstra account.
It really is the ultimate paradox of fraud how scammers spend immense energy perfecting the look of security and authority just to break your trust.

The guy called me by my nickname and surname, and was apparently from CBA bank, calling about a potential fraudulent transaction. He stated the amount and who it was being sent to, the line was terrible, and he had an american accent.