Using Watchlists in Sentinel for Threat Detection

In modern security operations, quickly identifying high-value targets, known malicious IP addresses, or terminated employees is critical for effective threat response. Sentinel watchlists allow security analysts to correlate external data with security events without writing complex, hard-coded queries. This text-based course guides you through the foundational concepts of Sentinel watchlists, from initial setup to advanced query integration. You will learn how to streamline your threat-hunting workflows, reduce alert fatigue, and implement zero-trust principles by maintaining dynamic lists of critical assets. What you'll learn: Understand the core concepts and security use cases of Sentinel watchlists; Create and populate watchlists using CSV data and external sources; Write KQL queries to correlate watchlists with active security events; Configure automation rules and analytics alerts based on watchlist data; Maintain and update watchlist items to ensure accurate threat detection; Apply zero-trust access patterns by tracking privileged accounts and high-value assets. You will start with key terminology and foundational concepts before moving on to step-by-step creation and querying techniques. Through clear written explanations and practical KQL code snippets, you will learn how to integrate watchlists into your daily security monitoring workflows. This course is designed for beginner security analysts, system administrators, and IT professionals looking to enhance their threat detection capabilities. No prior experience with Sentinel is required, though a basic understanding of security concepts is helpful. Start mastering Sentinel watchlists today to build faster, more efficient threat-detection workflows.