However, bridging the OT-IT gap comes with challenges. OT environments often consist of legacy systems that were never designed to connect to the internet. These systems lack modern security controls and are highly sensitive to downtime. On the other hand, IT infrastructure is designed for flexibility, updates, and rapid communication.

Managed IT Services are rising to the challenge by offering cross-domain expertise. Providers are building teams familiar with both sides—engineers who understand PLCs, SCADA systems, and industrial protocols like Modbus and OPC-UA, as well as specialists in networking, cybersecurity, and cloud infrastructure.

One major focus is on securing the convergence layer. This includes deploying firewalls between IT and OT networks, segmenting assets, using identity-based access control, and enabling secure remote access. Managed services are also implementing real-time monitoring tools that can identify anomalies across both IT and OT environments—essential for early threat detection.

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