Everyone needs to read this, the diagrams in the article help make sense of the attack for almost anyone. This is apparently Russia testing their abilities on former Soviet countries. Many of our outdated power grids could fall prey to this attack as well, as I am sure the Russians know. China is also preparing for attacks on the USA, they are actually building power grid systems like ours to test on. When dealing with PLC's Programmable Logic Controllers, once into the control computers, they can hit the PLC's at will on water filtration plants, waste water plants, even security systems in jails, and airports. The gate and cell door controllers are normally under the control of PLC's in the end.
from CTI Consulting http://ift.tt/2rnV3Tr