Some setups are dead simple and require just 1 or 2 clicks to enable a VPN that was registered before, e.g. Tunnelblick on MacOS. The potential hacker who was e

Some setups are dead simple and require just 1 or 2 clicks to enable a VPN that was registered before, e.g. Tunnelblick on MacOS. The potential hacker who was explicitly told he has to enable a VPN may look for such an app on the compromised computer.