This is the kind of thing(s) that careful observers have noted have been going on for TWENTY YEARS. Yes, since the mid-late 90’s. We are blitheringly and negligently insane not to have developed defenses and countermeasures for this activity at least 15 years ago.
We are living 1984
Every sub component of every industrial machine I work on these days has an IP address for Ethernet control with my programs. One machine has hundreds of servo drives, vfd’s, displays, switches, and safety circuits which are all remotely accessed anywhere a comm port exists. Russians not neefed.
If “they” can do it to us, we can do it to “them”.