Oh, but viruses are, not just via open Internet. This is how the Siemens PLCs in the Iranian Uranium enrichment facility were controlled.
The most important thing is that you know the vulnerability of the PLCs (you built them ) and how to breach the perimeter (Israel supplies/codes much of the firewalls in US public infra).
Oh, but viruses are, not just via open Internet. This is how the Siemens PLCs in the Iranian Uranium enrichment facility were controlled.
The most important thing is that you know the vulnerability of the PLCs (you built them ) and how to breach the perimeter (Israel supplies/codes much of the firewalls in US public infra).