It's not harmful at all, as long as you connect through a normal router, which will have a rudimentary firewall enabled. That's all you need, really. Other tha

It's not harmful at all, as long as you connect through a normal router, which will have a rudimentary firewall enabled. That's all you need, really. Other than that it's just the normal understanding that you shouldn't run virus.exe or virus.pdf.exe, and if you do, you'll have less protection versus on Windows 10/11.