It's up to you to set up "encryption in rest": E.g setup LUKS on a Hetzner machine.
> Their security is not bad but someone can easily plugin whatever they like.
That's not how it is. Check e.g. this six-year old security video from Hetzner: Hetzner is great but it's not a good choice for companies which really care. Your data is not encrypted in rest.
Their security is not bad but someone can easily plugin whatever they like.