Yes, it could be a security concern. Obviously don’t forward port 22 to the MyBookLive on your router. If you do decide to turn it off and lose dashboard access, you won’t be able to repair your OS without taking the drive apart.
Having said that, you can turn it off after you follow my guide below so that a simple press of the reset button would enable SSH access if you were to lose dashboard access and weren’t able to enable SSH from the dashboard to fix it.
