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Your Legacy PLCs Were Never Built for This

Posted by Janice Colmer on Jun 24, 2026 7:17:26 AM

Learn how network segmentation protects the devices that can't protect themselves.

Are you a manufacturer who is trying to modernize operations without replacing the PLCs and control systems that are still working? Your machines are still running, but you face the challenge of connecting their OT data to IT networks. 

These legacy systems weren't made to hold up to today's cybersecurity threats when they are exposed to the internet or business networks.

So what's the answer? Read a new technical article that offers practical solutions—and see why network segmentation is vital to unlocking OT data in a secure way.

Your Legacy PLCs Were Never Built for This

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READ ARTICLE

Here are just a few of the topics the article covers:

  • IEC 62443 international cybersecurity standard 
  • Edge computing
  • Secure gateways
  • Configurable firewalls
  • Dual-network architectures

Whether you're an engineer, system integrator, or a plant manager working with brownfield facilities, this article provides some practical guidance. Learn how segmented networking offers a realistic alternative—extending the useful life of your assets while enabling access to the data needed for analytics, monitoring, and Industry 4.0 initiatives.

READ ARTICLE

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Topics: groov EPIC, cybersecurity, groov RIO, network segmentation

Written by Janice Colmer

Janice has worked at Opto 22 for nearly 20 years and is part of the marketing team that strives to share new and relevant content with the automation industry. She enjoys books, camping, country music, and spending time with family and friends.
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