Caller: Claimed to be with the NBN

Said they had to fix a problem with NBN white box

Caller: Claimed to be from Telstra

Said had to check out computer to see if hackers had done something to laptop to get it ready for NBN. Convinced person to make changes to their computer before was discovered. Spent several hours making changes to the laptop. They installed portable software so that they control the laptop and possibly deleted the antivirus software.

Claiming to be Telstra saying there was a problem with my internet to fix it I would need to delete a file I hung up

Caller: 0449 280 866

called me today saying my computer is infected, asked me to visit any desk.com.I didn't go ahead. BE CAREFULL.THEY ARE CRIMINALS

Claiming to be Telstra. Says there are issues with my computer allowing others to log in, so I must delete a file. He tried to instruct me on what to do.