Since we have been talking about virtualization in our industry, there are a couple of VMware security news items that are notable. I plan to discuss the security issues in depth in a future post but didn’t want to wait to cover these stories.
The first is a critical security alert for some VMware products running [...]

Our last post in this series covered the benefits of virtualization for testing in a lab or development environment. Today we are going to address some of the same features but with a different twist – this time we’re talking about using VM in a production environment.
It doesn’t take much exposure to virtualization before you [...]

For part 3 of this series, let’s dive into one of the major uses of virtualization – testing – and see if we can sort through how and where it applies to control systems. As we discuss this topic, we are assuming that the majority of servers connected to control systems are physical machines. [...]

Before we get too deep in this discussion, perhaps we should make sure we’ve covered the basics for those who may not be familiar with the concept of virtualization. In theory, virtualization is an abstraction of any computing resource and has been around for forty-plus years. The most common use of the term now, however, [...]

A few years back, the traditional IT world was debating the merits of virtualization. There were concerns about performance, security, vendor support, and a host of other issues. Fast-forward to today, however, and you’ll find virtual machines in use in nearly every data center. The number one reason virtual machines have revolutionized server-side computing, I [...]