StudyToCert

All certifications / Security Specialty / Lessons

AWS Certified Security – Specialty SCS-C03 · Domain 6: Security Foundations and Governance

Multi-account strategy: AWS Organizations, organizational units, AWS Control Tower landing zones and dedicated security accounts

▶ Watch the overview video

Last reviewed September 29, 2026 · Leer en español

An AWS account is the strongest isolation boundary AWS offers: resources, IAM and quotas are separate by default. Mature organizations therefore use many accounts, grouped and governed centrally, instead of one account with many workloads.

Free account

Keep reading for free

Create a free StudyToCert account to read the rest of this lesson: 3 more sections, 4 key terms, a real-world example, an exam tip and self-check questions. Every lesson, lab and practice test is free with an account.

Sign up free Log in

Study Security Specialty for free
A week-by-week plan with every lesson, quizzes, checkpoint tests, a practice exam and hands-on labs.
Open the Security Specialty study plan