Submitted by Eric Byres on Wed, 2012-05-16 21:00
Recently I wrote about one of the fundamentals of industrial cyber security, which is the concept of Defense in Depth.
Today I am going to write about another foundation concept, which goes hand-in-hand with Defense in Depth, and that is using ANSI/ISA-99 Standards to improve control system security.
Factors that have degraded Control Network Security
There are two opposing trends impacting control network design today:
