🔐 Elastic Stack (ELK): The Basics — SOC Analyst Guide
🔐 Elastic Stack (ELK): The Basics — SOC Analyst Guide 📘 Task 1: Introduction Elastic Stack (ELK) is widely used in modern Security Operations Centers (SOC) for log analysis and investigations. Although it is not a traditional SIEM, its powerful search and visualization capabilities make it function like one. 🎯 Learning Objectives Understand ELK components Explore features of ELK Learn searching & filtering Investigate VPN logs Create dashboards & visualizations 📘 Task 2: Components of ELK Elastic Stack consists of four main components: 1. Elasticsearch Stores and analyzes data Works with JSON documents Provides fast search using REST API 2. Logstash Data processing pipeline Collects, filters, and sends data Structure: Input → Source of data Filter → Normalize data Output → Destination 3. Beats Lightweight agents Send data from endpoints 4. Kibana Visualization tool Used for dashboards and investigations ...
