Domain 5 · 18% of Exam

Data Protection

Design and implement data encryption, key management, secrets management, and data classification solutions.

About This Domain

Domain 5 — Data Protection — accounts for 18% of the SCS-C02 certification exam. This domain evaluates your understanding of implement encryption at rest with kms (cmks, key policies, grants), design encryption in transit (tls, ipsec, client-side encryption), implement secrets management with rotation and cross-account access, and related concepts. Design and implement data encryption, key management, secrets management, and data classification solutions. To pass this section you need practical knowledge of how these services and patterns work together in real-world architectures.

What You'll Be Tested On

  • Implement encryption at rest with KMS (CMKs, key policies, grants)
  • Design encryption in transit (TLS, IPSec, client-side encryption)
  • Implement secrets management with rotation and cross-account access
  • Configure S3 data protection (SSE, Object Lock, Macie)
  • Design key management for multi-account and multi-region workloads

Key AWS Services in This Domain

Study Strategy for Domain 5

While 18% might seem like a smaller portion of the exam, every point counts toward the passing score. Focus on understanding core concepts and common exam scenarios for this domain. Don't neglect it — even a few missed questions here can make the difference between pass and fail.

Exam Tips for Domain 5

💡

Know KMS key policy + IAM policy evaluation for cross-account

💡

Understand envelope encryption flow and when to use it

💡

Practice designing key hierarchy for multi-account environments

Frequently Asked Questions

How many questions on the SCS-C02 exam come from Domain 5?

Domain 5 (Data Protection) makes up 18% of the SCS-C02 exam. The exam has 65 scored questions, so approximately 12 questions will come from this domain.

What services should I focus on for Domain 5?

The key services for this domain include KMS, Secrets Manager, S3 Security, Certificate Manager, Macie. Make sure you understand how each service works, its use cases, and how they integrate with one another.

How should I prepare for Data Protection questions?

Start by reviewing the key topics listed above, then practice with domain-specific questions. Focus on understanding real-world scenarios rather than memorizing facts. Use our practice quizzes to test your knowledge and review explanations for any questions you get wrong.

What's the best order to study the SCS-C02 domains?

Many candidates start with the highest-weighted domains first. For the SCS-C02 exam, the domains in order of weight are: Threat Detection & Incident Response (14%), Security Logging & Monitoring (18%), Infrastructure Security (20%), Identity & Access Management (16%), Data Protection (18%), Management & Security Governance (14%). However, start with whichever domain aligns best with your existing experience.

Practice Domain 5 Questions

Test your knowledge of Data Protection with practice questions from our SCS-C02 question bank.

Start Practice Quiz →

Other SCS-C02 Domains