Prometheus doesn't come with server-side security features out of the box, but there's many options out there to provide them.
A blog on monitoring, scale and operational Sanity
On a regular basis a potential Prometheus user says they need a different architecture to make things reliable or scalable. Let's look at that.
Having to maintain dashboards for every Prometheus server you have would be a bit annoying. Thankfully Grafana has a feature for this.