This document provides an overview of the topics covered in four domains: 1) Blue Team Operations Architecture, 2) SOC Tools, 3) DFIR, and 4) Threat Intelligence. Domain 1 discusses building a SOC, including functions, models, teams, and SIEM. Domain 2 examines tools like Splunk, Security Onion, and ELK. Domain 3 covers digital forensics fundamentals, evidence types, live acquisition, tools, and incident response basics. Domain 4 introduces threat intelligence concepts like actors, intelligence types, skills, and analysis models.