This paper introduces Extended Detection and Response (XDR) as an evolution beyond siloed security tools. It explains how XDR integrates telemetry across endpoints, networks, email, cloud workloads, and servers to provide unified visibility and faster threat response. The document highlights challenges security leaders face, such as alert fatigue and fragmented data, and shows how XDR correlates signals to detect advanced attacks earlier. It outlines implementation considerations, operational benefits, and measurable outcomes such as reduced dwell time, improved SOC efficiency, and stronger incident response capabilities for modern, hybrid IT environments.

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