You're exposing it directly to the internet. It's an attack vector because it's accessible. If a vulnerability is found in HA, you can be hacked. The secure so

You're exposing it directly to the internet. It's an attack vector because it's accessible. If a vulnerability is found in HA, you can be hacked. The secure solution is to not allow remote access and use a VPN to connect to your local network (such as WireGuard) as the commenter you replied to suggested.