This white paper examines the security challenges created by the convergence of IT, OT, and IoT systems into extended IoT (XIoT) environments. It explains how legacy industrial and medical devices, limited visibility, and fragmented ownership create exploitable gaps for attackers. The document outlines real-world consequences of XIoT breaches, including operational downtime and safety risks. It proposes a unified security approach built on cross-domain visibility, platform consolidation, real-time asset management, and risk-based prioritization. By aligning IT and OT security strategies, organizations can protect critical infrastructure while maintaining operational continuity in highly connected environments.

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