I got 2x1000v/800w USPs for $145.
Some light strips to put in TM server rack for $9
A 24port patch panel and keystone Jacks for $35
A keyboard drawer for $50
And a rack mounted Fan for $100.
My 2024 New Years resolution is to make my server rack not look like a piece of shit.
It's basically the same as any other time people expose something to the internet.
Most don't know what they're doing or how to do it safely so they put a vulnerable device out in a vulnerable state.
The only reason a NAS is worse is because it's more common for a home user to have a NAS then it is to do something like host a WordPress, and a NAS has more personal stuff than a WordPress does (usually)
MSDN used to be free so this was a common approach, but they re-org'ed all their programs so I think those keys are now hiding under the paid MSDN program...
You can still get Windows 11 Dev VMs for free;
https://developer.microsoft.com/en-us/windows/downloads/virtual-machines/
And you can get Evaluation keys for 11 Enterprise, Server 2022, SQL Server 2022, and System Center 2022.
It's bots trying to brute force your SSH login. It happens all the time.
Just change SSH to key based only (disable password login) and move on.
I just did a proxmox update and reboot last week, but before that it was months of uptime.