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Microsoft Sentinel Blog
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Unlocking the power of Notebooks with Microsoft Sentinel data lake

Zeinab Mokhtarian Koorabbasloo's avatar
Zeinab Mokhtarian Koorabbasloo
Icon for Microsoft rankMicrosoft
Feb 18, 2026
Co-authors: Vandana Mahtani, Ashwin Patil Security operations are rapidly evolving, driven by AI and the need for scalable, cost-effective analytics.  A key differentiator of the Sentinel data lake...
Updated Feb 17, 2026
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geouseo's avatar
geouseo
Copper Contributor
Feb 18, 2026

olid breakdown of how Notebooks + Sentinel data lake actually work in practice. The part about using Spark for historical baselining and then feeding results back into KQL for operational alerts is a smart pattern—bridges the gap between data science and SOC workflows without overcomplicating things. Would love to see more real-world examples of teams balancing cost vs. compute when scheduling recurring notebook jobs.