Azure-Sentinel: Cloud-Native SIEM for Intelligent Security Analytics

Azure-Sentinel: Cloud-Native SIEM for Intelligent Security Analytics

Summary

Azure-Sentinel is a powerful cloud-native SIEM solution designed for intelligent security analytics across your entire enterprise. This GitHub repository serves as a comprehensive resource, providing out-of-the-box detections, exploration queries, hunting queries, workbooks, and playbooks. It helps security teams quickly ramp up with Microsoft Sentinel and Microsoft 365 Defender, enhancing threat detection and hunting capabilities.

Repository Info

Updated on February 27, 2026
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Tags

cybersecuritySIEMsecurity-analyticsthreat-huntingmicrosoft-azuremicrosoft-365-defenderpythonsample-code

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Introduction

The Azure-Sentinel GitHub repository is the official hub for content related to Microsoft Sentinel, a scalable, cloud-native Security Information and Event Management (SIEM) solution. It provides intelligent security analytics for your entire enterprise, offering a unified experience with Microsoft 365 Defender. This repository is a treasure trove for security professionals, containing a vast collection of out-of-the-box detections, exploration queries, hunting queries, workbooks, and playbooks. Its primary goal is to help users quickly get started with Microsoft Sentinel, secure their environments, and proactively hunt for threats.

Getting Started with Content and Contributions

While Azure-Sentinel itself is a service, this repository provides the essential content to maximize its utility. To begin leveraging the content, you can explore the various folders containing detections, queries, and other resources directly.

For those interested in contributing to this vibrant community, the repository welcomes new content and suggestions. Contributions typically involve agreeing to a Contributor License Agreement (CLA) and following specific guidelines for submitting changes. The process generally involves forking the repository, creating a new branch, making your additions or updates, and then submitting a Pull Request for review. Detailed steps and guidance for getting started with contributions can be found on the project's wiki.

Examples of Content

Within this repository, you will find a rich array of security content designed to enhance your threat detection and response capabilities:

  • Detections: Pre-built rules and logic to identify known threats and suspicious activities.
  • Exploration Queries: Kusto Query Language (KQL) queries to investigate security incidents and data.
  • Hunting Queries: Advanced KQL queries specifically crafted for proactive threat hunting in both Microsoft Sentinel and Microsoft 365 Defender.
  • Workbooks: Interactive dashboards and reports for visualizing security data and insights.
  • Playbooks: Automated response actions (Azure Logic Apps) to streamline incident handling.

These examples provide practical tools and templates to secure your environment and improve your security posture.

Why Use Azure-Sentinel and This Repository?

Microsoft Sentinel, supported by this repository, offers numerous benefits for modern security operations:

  • Cloud-Native SIEM: Leverage the scalability, flexibility, and cost-effectiveness of a cloud-based SIEM solution.
  • Intelligent Security Analytics: Utilize advanced analytics and machine learning to detect sophisticated threats.
  • Unified Security Experience: Seamlessly integrate with Microsoft 365 Defender for comprehensive XDR (Extended Detection and Response) capabilities.
  • Rich Content Library: Access a constantly growing collection of community-driven and Microsoft-provided security content, including detections, queries, and automation playbooks.
  • Proactive Threat Hunting: Empower your security team with tools and queries to actively search for threats before they cause damage.
  • Community Support: Benefit from an active community and dedicated support channels for questions and feedback.

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