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Changing the SSH port.
SSH only via key and confirmation via FIDO2.
Cloudflare Zero Trust tunnel and applications with permission only for my emails.
In Cyberpanel in firewall port 8090 only for 127.0.0.1
I think this is sufficient but I’m happy to take advice from more experienced people.
I found the perfect solution to secure my system after the hack. I deleted my VPS and moved to Cloudways, I’m not touching Cyberpanel again.
I’ve been with Cyberpanel almost since its inception and this incident didn’t touch my servers, it was just a call to improve security. I have no reason to cancel my Proxmox at Hetzner.
In this article I have mentioned some steps, you can follow to prevent such incidents.
STEP - 6