Major internet outage, page-4

Having controls online is so easy for infrastructure operation.
You can turn the pump, or hydro dam on/off from the desk near the coffee machine.

But the controls have to be taken off the internet
Hacker/blackmailers appear to be actively supported by China and Russia.

In China's case it is probably part of their war on the west.

If the bureaucrats leave the door open
It is just a matter of time