Auto dialer with large pause before someone with foreign accent claimed to be from Windows, stating they had received multiple reports of viruses being downloaded to my windows computer. I questioned how dodgy the call sounded and they hung up.

Caller: Said Telstra

Wanted my password and licence number,
Tried to call the number back and call failed then was busy.

An unsolicited call at home. Nobody left any message.

An unsolicited call at home and no message was recorded on voicemail.

said they were from NBN and upgrading said I had overpaid and wanted to give a refund to me wanted me to check my bank while they were on the phone - scammers

engage when called back. suspect spam

scam call wanted passwords , just hang up on them and block them

scam call , they even said they were scamming ! saying they needed my google password to do an upgrade , hung up and blocked