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Illumio for OT Security: A 7-Step Guide to Secure Connectivity

See how Illumio contains breaches in OT environments to keep critical operations running.

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Industrial organizations face more cyber threats than ever. Digital tools, remote sites, cloud services, and supplier links open new paths for attackers, and tighter IT/OT integration raises the stakes.

Perimeter defenses can’t do it alone. Attackers slip in through stolen credentials, trusted connections, and third-party access, then move laterally across systems. Security teams have to stop this without disrupting production, safety systems, or critical services.

With Illumio, you can achieve secure connectivity built on microsegmentation, allowing you to understand what needs to communicate, why, and how to control it. That’s what lets you reduce exposure, stop attacks early, and turn breach containment into an everyday capability.

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“We started seeing benefits from Illumio right away. We gained visibility into our environment and took decisive action immediately. We were able to move so quickly because Illumio makes Zero Trust Segmentation simple by highlighting risk and suggesting policy. Illumio allowed us to take a step-by-step approach and realize value out of the gate.”
Jamie Rossato

Chief Information Security Officer
Lion

Lion Co. employees inside a bottling factory discussing security.
“With Illumio, we now have unprecedented visibility into our server and application traffic. It is making all the difference in our ability to protect our data center.”
Mullar Wan

General Manager of Information Technology
Hongkong Electric

Black & white photo of an urban landscape.
“The onslaught of ransomware attacks demands end to end visibility, advanced analytics and automated actions based on an open platform—which are the foundational elements on which QRadar XDR was designed. By leveraging its open architecture and segmentation platforms like Illumio, QRadar XDR helps customers achieve early detection, orchestration, and rapid, automated response to ransomware and other fast-moving attacks."
Chris Meenan

VP of Product Management
IBM Security

Black & white photo of a cybersecurity technician analyzing server stacks.
“With Illumio, we now have unprecedented visibility into our server and application traffic. It is making all the difference in our ability to protect our data center.”
Mullar Wan

General Manager of Information Technology
Hongkong Electric

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Assume Breach.
Minimize Impact.
Increase Resilience.

Starting with the premise that the unexpected can happen at any time drives the following behaviors

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