exida explains Blog

The travel and group meeting restrictions from COVID-19 have allowed me to catch up on some reading about viruses; not the type that get transmitted to humans. This article is about the Stuxnet virus and what I learned from the book “Countdown to Zero Day: Stuxnet and the Launch of…

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When we were doing safety system designs in the 1980s, there was no Windows, there was no TCP/IP, there was no in Ethernet. We had to write our own protocols to transmit data to our I/O and our controllers.

Fault-finding was always a challenge . What we ended up…

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As the details of STUXNET’s design unfolded last fall, like many, I was truly impressed by the pin-point precision that the malware authors used to ensure that their target, and only their target, was impacted by the virus.  In this regard, STUXNET may be one of the…

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There is a lot of concern around cyber security in Industrial Control Systems.  With new threats like Stuxnet and Flame, the perceived risk to critical infrastructure has increased dramatically.  There are increased calls for legislation and new methods for dealing with these threats.  The history of how we have…

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Stuxnet has, rightly, generated a significant amount of discussion and concern with the industrial automation community.  Fortunately, unless you operate a uranium enrichment facility using Siemens S7 PLC’s and some very specific variable frequency drives (VFDs) you probably haven’t been directly impacted by the Stuxnet…

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Cybersecurity continues to be a big problem for the world at large and for control systems specifically.  The amount of time and effort that it can take to simply keep all of the security patches up to date on a large control system can be mind boggling.  No…

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