Microsoft Defender XDR is a comprehensive extended detection and response (XDR) solution designed to streamline security operations by providing unified protection across endpoints, IoT devices, identities, cloud apps, and collaboration tools. It delivers centralized visibility and advanced analytics to detect, investigate, and respond to threats with greater speed and accuracy. By integrating seamlessly with tools like Defender for Endpoint, Office 365, Identity, and Cloud Apps, the platform enables security teams to correlate signals from multiple sources, uncovering complex attack patterns. With automated threat disruption and asset self-healing capabilities, it enhances resilience against cyberattacks. The platform also offers cross-product threat hunting and a unified management experience, helping organizations simplify operations and improve their overall security posture.