In Part 1 of this article, I introduced the Golden Rule of Industrial Wireless Security – Deploy Securely, Monitor Regularly. Following this rule ensures that unwanted access to your wireless LAN and the rest of your network does not occur.

What is the No. 1 concern when it comes to wireless solutions in the industrial world? While the answer might be debatable, if you’ve read some of my other blogs you know I feel passionately that it often comes down to one of two things – is it reliable enough and can I secure it?

Last month, we updated our article on the Dragonfly malware to announce the research results by Joel Langill of RedHat Cyber, a leading independent ICS security expert. Joel's research showed that the Dragonfly campaign focused on pharmaceutical targets, rather than energy sector targets, as had been previously reported.

My previous article covered part of Scott Howard's presentation on ICS Security for Oil and Gas applications from this year's Design Seminar. In that article, we reviewed some of the cyber security fundamentals discussed by Scott.

This year, the Belden Industrial Ethernet Infrastructure Design Seminar is being held in Houston and therefore a number of the sessions are focusing on applications for the oil and gas sector. I had the privilege of attending Scott Howard’s session on cyber security. In it, he reviewed the primary goals of cyber security measures in industrial networks: