Don’t Understand RADIUS and TACACS+? Cisco has You Covered

Don’t Understand RADIUS and TACACS+? Cisco has You Covered

It happens to everybody. You purchase a new bit of technology, and there are features and functionalities that you just aren’t aware of. There are a million reasons why this might be true—you might be too busy to dive too deeply into the resource guide or maybe you think you can do fine with just the basics—but these unknown features are waiting for you to unlock them. And once you do, it will make your…

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What’s Trending? How about NACs

What’s Trending? How about NACs

Here’s a question: are Network Access Controls (NACs) dead? Recent industry-wide data from Forrester has shown that not only are NACs not dead, but they’re making a comeback of sorts because the technology is evolving. In its recent Trends Report, “Take NAC Out of the Box” published during the fall by analyst Carlos Rivera, Forrester has found that despite three years of leveled growth NACs—Cisco Identity Service Engine (ISE) is an example of this technology—are…

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Cisco and Rockwell strengthen OT/ICS security with visibility for converged plantwide ethernet (CPwE)

Cisco and Rockwell strengthen OT/ICS security with visibility for converged plantwide ethernet (CPwE)

The turtle, protected by its hard shell, is a good metaphor for the security model used in most industrial networks. The industrial DMZ (iDMZ) is the shell that protects the soft, vulnerable center—the industrial control systems (ICS) the business depends on. But while the iDMZ blocks most threats, some will inevitably slip through. When they do, they can move sideways from device to device, potentially causing downtime and information leakage. Giving traffic free rein once…

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Is it time to virtualize your factory floor?

Is it time to virtualize your factory floor?

Co-authored by Roland Wagner, CODESYS. Virtualization is well accepted in enterprise IT. Creating virtual versions of computing resources such as servers and storage, enables the consolidation of multiple physical resources into a single virtual environment. This allows for more efficient utilization of hardware and better resource management.  The value derived includes reduced capital expenditures, lower maintenance costs, increase flexibility and improved cybersecurity. However, virtualization is not so prevalent in industrial environments. Industrial Automation and Control…

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