Microsoft Sentinel Investigation Agent
Inside the architecture of an autonomous AI agent that investigates Microsoft Sentinel incidents end to end — how it plans, queries, validates, and reports.
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CVE-2026-20820: Windows CLFS Heap Overflow — Privilege Escalation to SYSTEM via Kernel Driver Abuse
April 2026 Patch Tuesday discloses CVE-2026-20820 — a heap-based buffer overflow in Windows CLFS driver enabling local privilege escalation to SYSTEM. CVSS 7.8. Patch immediately: CLFS has a documented history as a ransomware kill chain component.
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Microsoft Copilot for Security: What Actually Works in a Real SOC (Prompts, Metrics, and Honest Failures)
Skip the vendor demos. Here’s what Microsoft Copilot for Security actually does in day-to-day SOC operations—with specific prompts that produce reliable output, time metrics from real workflows, the failure modes nobody talks about, and an honest verdict by alert category.
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#SOC | Azure Sentinel | Blogging | Cyber Security | Data management | incident management | Microsoft | Microsoft security
Detection Engineering in Microsoft Sentinel (2026): Why Most SOCs Get It Wrong
Many SOC teams struggle with alert overload and high false positives, not due to insufficient tools like Microsoft Sentinel, but because of poor detection strategies. Effective detection engineering focuses on enabling suitable rules for specific environments and emphasizes understanding log data, deploying detections strategically, and regularly reviewing their effectiveness to improve overall trust in alerts.
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azure | Azure Sentinel | Blogging | Cyber Security | Data management | incident management | Microsoft | Microsoft security
Microsoft Sentinel Cost Engineering (2026)
This guide presents a framework to optimize Microsoft Sentinel costs while maintaining security. Key cost drivers include unclassified log ingestion and inefficient KQL execution. By classifying logs, implementing Data Collection Rules, and separating retention tiers, organizations can minimize expenses and ensure compliance without compromising detection capabilities.
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Automation | azure | Azure Sentinel | Cyber Security | Data management | incident management | Microsoft | Microsoft security
Microsoft Sentinel Storage Explained: Analytics Tier vs Data Lake vs Data Archive
Microsoft Sentinel offers three storage options: Analytics Tier, Sentinel Data Lake, and Data Archive, each serving distinct purposes. Proper storage tiering is crucial to avoid high costs and inefficiencies. Understanding each tier’s intended use—detection, investigation, or compliance—is vital for effective security operations and maintaining a scalable system.
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Microsoft Sentinel (2026) — Technical Deep Dive into Architecture, Data Lake, Analytics & Cost Engineering
A comprehensive 2026 technical deep dive into Microsoft Sentinel’s evolution as a unified security data platform, covering architecture, Sentinel Data Lake design, DCR-based ingestion, normalization with ASIM, Defender integration, SOAR automation, and cost engineering strategies with practical KQL examples.
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Building Bulletproof Sentinel Queries: The Universal EventData XML Parser Pattern
Microsoft Sentinel · KQL Deep Dive Stop fragile index-based XML parsing and switch to a universal, future-proof EventData parser that works across all Windows event types in Microsoft Sentinel. ⚡ If you’ve ever worked with the Event table in Microsoft Sentinel or Azure Monitor Logs, you already know the pain: EventData is XML and every…
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Step-by-Step Guide to Azure Custom Logs via AMA
The Azure Monitor Agent (AMA) facilitates log collection from custom text files on Windows and Linux, simplifying integration with Microsoft Sentinel. This guide outlines the setup process for collecting and transforming logs, ensuring enhanced security monitoring. Key prerequisites include AMA installation and appropriate permissions for configuration.
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Automation | azure | Azure Sentinel | Blogging | Cyber Security | Microsoft | Microsoft security | powershell
Automate Data Collection Rule and Virtual Machine Association Using PowerShell in Microsoft Sentinel
Effortlessly streamline your Microsoft Sentinel integration with this comprehensive guide. Learn how to automate data collection rule (DCR) association and Azure Monitor Agent (AMA) installation for virtual machines (VMs) using a single PowerShell script. Introduction Integrating VMs with Microsoft Sentinel is essential for robust security monitoring. However, manually managing Azure Monitor Agent installation and Data…
