In the past few lessons we have been discussing the Stuxnet virus and its purpose. We demonstrated what the Stuxnet virus does and how it was able to create an environment that appeared normal to all observers. In this lesson, we talk about how the virus was able to construct the conditions for the operator to believe everything was a-ok in the plant. Let’s see how Stuxnet was able to trick the plant personnel.
In our continuation of the Stuxnet virus discussion, this lesson takes up where the last left off. We made you aware of what the Stuxnet virus does, how it manipulates data, and how that manipulated data gets to the HMI. In this lesson, we’re going to tell you what to look for in your code as wel...
In the previous few lessons, we have been discussing the Stuxnet virus. The first virus of its kind. A virus that was created to target the automation industry and specifically, a Siemens PLC running a nuclear enrichment facility. In this lesson, we continue the discussion on the Stuxnet virus an...
There may come a time in your career that you are looking at your program and see that some transmitter that should be reading a value is currently showing nothing. After troubleshooting you may have determined that the channel that the transmitter is connected to is fried. When that occurs, whet...
