Sustainability sites for Australian companies sometimes use "Geo-blocking" or strict security filters to prevent bot attacks from specific regions. If your VPN is set to a country outside of Australia, or if you are using a high-security corporate VPN, the website’s firewall might be flagging your IP address as suspicious.
If the company recently updated its website security, your local internet service provider (ISP) might still be looking at an old version of the site’s "address" (DNS). Flush your DNS. Windows: Open Command Prompt and type ipconfig /flushdns . access denied https wwwxxxxcomau sustainability fix
Troubleshooting "Access Denied" on Sustainability Portals: A Guide to Getting Back Online access denied https wwwxxxxcomau sustainability fix