Is Siber a Real Threat?

In 20 17, a inan attack that has been attributed by numerous government intelligence agencies and siber security research companies to a the military intelligence of the russian government known as the g r u. It was a some what we call wiper mawerd that basically destroyed the computers that it landed on. So they pushed out this software up date that had been tampered with, a to a, a whole bunch of entities in ukraine. And then those entities, in turn, many of them were part of multi nationals, and it was able to spread world wide. You didn't mention global supply chains. How how big a deal do you think it is for the movement of