Caller: A Scammer claiming to be from NBN or Telstra.

"This is Nicole from the Australian National Broadband Network" Your internet is about to be disconnected press one now to get connected to the technician." Time to hang up now! or have some fun wasting his time. The so called Technician is a scammer and will try to convince you to give him access to your computer using a program called Teamviewer. He will claim your router is infected with a virus but it will be he that infects your computer if you allow him access with Teamviewer.