Exam Details
AWS · SCS-C03
Prepare for SCS-C03: Implement incident response, logging, infrastructure security, IAM, and data protection on AWS.
Overview
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FAQ
The SCS-C03 exam validates your ability to implement security controls, manage identity and access, protect data, detect threats, and respond to incidents across AWS environments. This specialty-level certification targets security engineers who configure IAM, KMS, CloudTrail, GuardDuty, Security Hub, and network security at scale. You'll prove you can secure AWS infrastructure, implement logging and monitoring, and manage security governance. As cloud security remains a top concern for every organization, AWS security specialists who implement defense-in-depth strategies command premium roles.
You're a fit for SCS-C03 if you:
Not sure if you're ready? Try a free sample quiz: 10 questions, instant results, identify weak areas.
| Domain | Weight | What This Means |
|---|---|---|
| Threat Detection and Incident Response | 14% | Use GuardDuty, Detective, and Security Hub to detect threats, then respond with automated playbooks |
| Security Logging and Monitoring | 18% | Configure CloudTrail, VPC Flow Logs, CloudWatch, and centralized logging across accounts |
| Infrastructure Security | 20% | Secure VPCs, security groups, WAF, Shield, and network boundaries at scale |
| Identity and Access Management | 16% | Design least-privilege IAM policies, SSO, federation, and cross-account access patterns |
| Data Protection | 18% | Implement KMS encryption, S3 bucket policies, TLS, and data classification strategies |
| Management and Security Governance | 14% | Apply AWS Config rules, Organizations SCPs, and compliance frameworks across accounts |
You're probably ready if you can:
You might need more prep if:
If this feels too advanced:
If you know the basics but want to build confidence:
The AWS Certified Security - Specialty exam consists of 65 questions, which include both multiple-choice and multiple-response formats. Candidates are allocated 170 minutes to complete the exam.
The exam is scored on a scale of 100 to 1,000, and a minimum scaled score of 750 is required to pass. Unanswered questions are scored as incorrect, so it is beneficial to provide an answer for every item.
The exam content is distributed across six primary domains:
Effective preparation involves a combination of AWS whitepapers, digital training, and documentation for services like KMS, IAM, and GuardDuty. ExamOS offers Mock Exams and Rookie, Challenger, and Legend practice modes to help you prepare for the SCS-C03 exam.
The registration fee is $300 USD. If you have previously passed an AWS certification, you can use a 50% discount voucher from your AWS Certification Account to reduce the cost to $150 USD.
If you do not pass the exam, you must wait 14 days before you are eligible to retake it. You must pay the full registration fee for each attempt, and there is no limit on the number of times you can take the exam, provided you observe the waiting period.
The certification is valid for three years. To recertify, you must either retake the current AWS Certified Security - Specialty exam or complete the certification maintenance program on AWS Skill Builder.
There are no formal prerequisites for taking the SCS-C03, though AWS recommends candidates have 3–5 years of experience securing cloud solutions. The exam is designed for individuals in security-focused roles such as Cloud Security Engineers and Security Architects. ExamOS provides Mock Exams and Daily Sprints to test the technical depth required for these roles.
Earning this certification signals to employers that you can manage complex security configurations, but it does not guarantee a high-level role on its own. In the current market, this credential is most effective when paired with a strong background in DevOps or network engineering. Without significant hands-on experience, the certification may only qualify you for mid-level security analyst positions.
Once you have mastered the security specialty, the most logical next steps include: