SCADA Security's Air Gap Fairy Tale
Article from: Automation.com, August 2011
The theory behind the air gap is that in a well-designed system, there is a physical gap preventing any communication between the control network and the business network.
In this article, Eric Byres talks about a fairy tale - but it's not the kind that has princes or frogs in it.
It is the myth of the “air gap” between control systems and the rest of the world. Believing in it leads to a false sense of complacency by both end users and vendors, making it a very dangerous fairy tale indeed.
