Australian-accent robocall about a fraudulent transaction which I need to fix up by pressing 1

Caller: A call centre who said their where Telstra

Telstra had found that I was open to nasty people accessing my private information and if i followed their instructions they would show me how they do it. A acted vague for a few minutes and then hung up. They rang back on a different number and asked if i was dumb or something.

blocked this number