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CYBerseCurItY For InDustrIAL ControL sYsteMs
or perhaps an ICS administrator gives his laptop temporary access
through an ad hoc wireless connection; no matter, once that interface
is possible, the world of IT vulnerabilities can have a direct impact.
Green Network Stacks
Green is used in this case to reect immature and poorly tested net-
work protocols and IP network software (stacks) that appear in ICS
devices from vendors rushing to market with Ethernet and IP versions
of existing products. Or vendors that still consider their products to
be isolated from the badness of the business networks and Internet
generally, and do not engage in extensive security testing.
e worst should be assumed about the network stacks incorpo-
rated within