From article:
If you have the Brave Browser installed on your Windows devices, then you may also have Brave VPN services installed on the machine. Brave installs these services without user consent on Windows devices.
More reason to ditch the crypto bro browser.
I see now that it was adding a wireguard interface, but without seeing the configuration being used, there’s no telling if they are routing anything more than the traffic from the browser.
As an aside, are you serving applications from your workstation?