This number rang and said if you don't wish to be disconnected from the NBN press 1. We pressed 1 -Then an Indian sounding gentleman (with a call centre noise in the background) explained that a malware virus has infected our computer while we were using emails, browsing the internet or watching movies. I then interrupted him and said thank you for this information, I'll talk to my husband and ring back Telstra and hung up.
Potential scammers - don't even entertain them - always check with your own provider...plus we aren't even ON the NBN yet !