Active Directory Fundamentals for IT and Security Beginners

Active Directory is the backbone of identity and access management in the vast majority of corporate networks worldwide. Understanding how it functions, how its components interact, and how it can be secured is a foundational requirement for any aspiring system administrator or cybersecurity professional. This text-based course guides you from absolute beginner concepts to a solid functional understanding of Active Directory architecture and security. You will learn to navigate domains, forests, organizational units, and group policies, while gaining critical insights into how modern organizations manage and protect their digital identities. What you'll learn: - Understand foundational Active Directory terminology, including domains, trees, forests, and trust relationships. - Explore the structure of Organizational Units and how to manage users, groups, and computer objects. - Apply Group Policy Objects to enforce security settings and system configurations across an enterprise. - Analyze core authentication protocols like Kerberos and NTLM, focusing on their security implications. - Identify common directory vulnerabilities and modern administrative hardening strategies, such as tiered administration. - Compare traditional on-premises directory structures with modern hybrid identity concepts. The course begins with essential terminology and structural definitions before moving into practical administrative workflows and security fundamentals. Through clear written explanations and conceptual scenarios, you will build a strong mental model of directory services. Designed entirely for beginners, this course requires no prior experience with system administration. Start reading today to build a vital foundation for your IT or cybersecurity career.