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Case study — Cloud-Native OT Infrastructure

CASE STUDY · OT INFRASTRUCTURE

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Cloud-Native OT Architecture — Major Houston Energy Operator

  • Azure OT Tenant 
  • Virtual SD-WAN 
  • Virtual Firewall 
  • Cisco IR Integration 
  • Cisco Cybervision 
  • 30+ Well-Pads 
  • Full Production Deployment

Overview

A Houston-based oil and gas operator faced a challenge common across mid-market energy companies: an OT environment that had grown organically for years with no centralized management, no IT/OT segmentation, and no visibility into what was running on the network. RegretShield designed and delivered a cloud-native OT infrastructure in Microsoft Azure — one of the first deployments of this architecture at this scale in the Houston energy market.

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Plug-and-Play for Operators

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Cloud-Native OT at This Scale in Houston

What Was Deployed

  • Azure OT tenant (isolated from corporate IT)

  • Virtual SD-WAN and firewall

  • Cisco IR integration across 30+ sites

  • Re-IP of all sites into clean subnetting

  • Managed switches and APs at every site

  • Cellular conversion for remote locations

  • Cisco Cybervision for OT visibility

  • Industrial Edge devices at well-pads

  • Secure remote access

  • Incident Detection & Response process integrated with 3rd party SOC

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Why This Matters

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Cloud-Native OT At Scale

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POC To Production In A Live Environment

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AI Enablement As A Business Outcome — Security Became A Revenue Driver

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