Hi @Loui72,
Thank you for your enquiry regarding Wi-Fi.
If you are concerned that someone has hacked your personal Wi-Fi, we recommend that you read the following section of our web site that will step you through changing your Wi-Fi password.
https://community.tpg.com.au/t5/Broadband-Internet/Changing-your-WiFi-password-on-your-TPG-Modem/td-...
If you have any further questions regarding this matter or wish to provide further information please let us know.
Thanks,
Karl
