[R-390] Interesting read

[Tisha Hayes]

I will not speak at length about it but my professional career is on
communications and control systems for utilities. If you google my name you
will find quite a few papers, presentations and conferences where I have
written at length regarding the subject.

We use many techniques to secure transmission and distribution networks
including things like spread spectrum frequency hopping, layers of different
encryption techniques,, firewalls, completely isolating the control network
from the corporate network, MAC address permissions and VPN tunnels. Are all
networke
Tisha Hayes