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Amazon SCS-C03 Exam Questions

Exam Name: AWS Certified Security - Specialty
Exam Code: SCS-C03
Related Certification(s): Amazon Specialty Certification
Certification Provider: Amazon
Number of SCS-C03 practice questions in our database: 121 (updated: Feb. 20, 2026)
Expected SCS-C03 Exam Topics, as suggested by Amazon :
  • Topic 1: Detection: This domain covers identifying and monitoring security events, threats, and vulnerabilities in AWS through logging, monitoring, and alerting mechanisms to detect anomalies and unauthorized access.
  • Topic 2: Incident Response: This domain addresses responding to security incidents through automated and manual strategies, containment, forensic analysis, and recovery procedures to minimize impact and restore operations.
  • Topic 3: Infrastructure Security: This domain focuses on securing AWS infrastructure including networks, compute resources, and edge services through secure architectures, protection mechanisms, and hardened configurations.
  • Topic 4: Identity and Access Management: This domain deals with controlling authentication and authorization through user identity management, role-based access, federation, and implementing least privilege principles.
  • Topic 5: Data Protection: This domain centers on protecting data at rest and in transit through encryption, key management, data classification, secure storage, and backup mechanisms.
  • Topic 6: Security Foundations and Governance: This domain addresses foundational security practices including policies, compliance frameworks, risk management, security automation, and audit procedures for AWS environments.
Disscuss Amazon SCS-C03 Topics, Questions or Ask Anything Related
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Lon

12 hours ago
The security exam journey was rigorous, and the practice questions from Pass4Success helped me lock down Incident Response procedures and runbooks, especially for designing and testing an incident response plan that leverages Step Functions for runbook automation. I recall a question detailing a suspected credential leakage via a server log and requiring steps to contain, eradicate, and recover, and I initially hesitated on whether to rotate all keys immediately or wait for confirmation, but the exam validated the safer immediate rotation. How would you balance rapid credential rotation with service continuity in a live incident?
upvoted 0 times
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Emmett

9 days ago
Passed the AWS Security Specialty with PASS4SUCCESS practice exams - time management was key, so I made a study schedule and stuck to it.
upvoted 0 times
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Eun

16 days ago
Passed the AWS Security Specialty exam with the help of Pass4Success practice questions.
upvoted 0 times
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Arletta

23 days ago
I was nervous at first, unsure if I could keep up with the depth of AWS security. PASS4SUCCESS organized the material into practical labs and crisp summaries, helping me feel confident by exam day. Believe in your preparation—you’ve got this, future specialists.
upvoted 0 times
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Meghann

30 days ago
Expect questions on incident response and disaster recovery planning for AWS environments - know how to leverage AWS services for these scenarios.
upvoted 0 times
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Frank

1 month ago
I passed the AWS Certified Security - Specialty exam! Thanks, Pass4Success, for the great prep material.
upvoted 0 times
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Paz

1 month ago
My experience with the exam was intense but rewarding, and I credit Pass4Success practice questions for drilling in Monitoring and Alerting Solutions across an AWS Organization, including CloudWatch dashboards and GuardDuty findings correlation in a multi-account setup. I remember a tricky question about designing an alerting workflow for suspicious IAM activity across accounts, and I wasn’t fully confident whether to trigger cross-account SNS notifications or use EventBridge with a centralized incident queue; I still passed. In your view, what is the best approach to orchestrate cross-account alert propagation in a crisis?
upvoted 0 times
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Linwood

2 months ago
I just cleared the AWS Certified Security - Specialty exam, and Pass4Success practice questions were instrumental in reinforcing edge security concepts like Infrastructure Security and secure network design, especially when configuring VPCs, security groups, and NACLs to meet least-privilege requirements. One question that stood out asked about mitigating DDoS and edge protection using AWS Shield and WAF with rate limiting and managed rules, and I was unsure whether a combination of shields was enough without a proper WAF rule set, yet I still passed. Could you explain how to tailor a WAF rule set to block SQL injection patterns while allowing legitimate traffic?
upvoted 0 times
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Laurel

2 months ago
Be prepared for questions on AWS security services like IAM, KMS, and GuardDuty - understanding their features and use cases is key.
upvoted 0 times
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Free Amazon SCS-C03 Exam Actual Questions

Note: Premium Questions for SCS-C03 were last updated On Feb. 20, 2026 (see below)

Question #1

A company's application team needs a new AWS Key Management Service (AWS KMS) customer managed key to use with Amazon S3. The company's security policy requires separate keys for different AWS services to limit security exposure.

How can a security engineer limit the KMS customer managed key to work with only Amazon S3?

Reveal Solution Hide Solution
Correct Answer: B

AWS KMS provides condition keys that can be used to tightly scope how and where a customer managed key can be used. According to the AWS Certified Security -- Specialty Study Guide, the kms:ViaService condition key is specifically designed to restrict key usage to requests that originate from a particular AWS service in a specific Region.

By configuring the key policy to allow KMS cryptographic operations only when kms:ViaService equals s3.<region>.amazonaws.com, the security engineer ensures that the key can be used exclusively by Amazon S3. Even if other IAM principals have permissions to use the key, the key cannot be used by other services such as Amazon EC2, Amazon RDS, or AWS Lambda.

Option A is incorrect because AWS services do not assume identities in key policies. Options C and D modify IAM role policies, which do not control how a KMS key is used by AWS services. AWS documentation clearly states that service-level restrictions must be enforced at the KMS key policy level using condition keys.

This approach enforces strong separation of duties and limits blast radius, which aligns with AWS security best practices.

Referenced AWS Specialty Documents:

AWS Certified Security -- Specialty Official Study Guide

AWS KMS Key Policy Condition Keys

AWS KMS Best Practices


Question #2

A company's security team wants to receive near-real-time email notifications about AWS abuse reports related to DoS attacks. An Amazon SNS topic already exists and is subscribed to by the security team.

What should the security engineer do next?

Reveal Solution Hide Solution
Correct Answer: B

AWS abuse notifications are delivered as AWS Health events. According to the AWS Certified Security -- Specialty Study Guide, Amazon EventBridge integrates natively with AWS Health and can be used to detect specific event types such as AWS_ABUSE_DOS_REPORT in near real time.

By creating an EventBridge rule that filters for the abuse report event type and publishes directly to Amazon SNS, the solution remains fully managed, low latency, and cost effective.

Polling APIs introduces delay and complexity. CloudTrail does not log abuse notifications. EventBridge with AWS Health is the recommended mechanism for reacting to AWS service events.

Referenced AWS Specialty Documents:

AWS Certified Security -- Specialty Official Study Guide

AWS Health and EventBridge Integration

AWS Abuse Notification Handling


Question #3

A company is attempting to conduct forensic analysis on an Amazon EC2 instance, but the company is unable to connect to the instance by using AWS Systems Manager Session Manager. The company has installed AWS Systems Manager Agent (SSM Agent) on the EC2 instance.

The EC2 instance is in a subnet in a VPC that does not have an internet gateway attached. The company has associated a security group with the EC2 instance. The security group does not have inbound or outbound rules. The subnet's network ACL allows all inbound and outbound traffic.

Which combination of actions will allow the company to conduct forensic analysis on the EC2 instance without compromising forensic data? (Select THREE.)

Reveal Solution Hide Solution
Correct Answer: A, D, E

AWS Systems Manager Session Manager requires secure outbound HTTPS connectivity from the EC2 instance to Systems Manager endpoints. In a VPC without internet access, AWS Certified Security -- Specialty documentation recommends using interface VPC endpoints to enable private connectivity without exposing the instance to the internet.

Creating a VPC interface endpoint for Systems Manager allows the SSM Agent to communicate securely with the Systems Manager service. The endpoint must have an attached security group that allows inbound traffic on port 443 from the VPC CIDR range. Additionally, the EC2 instance security group must allow outbound HTTPS traffic on port 443 so the agent can initiate connections.

Option C is incorrect because creating or associating key pairs enables SSH access, which can alter forensic evidence and violates forensic best practices. Option B is unnecessary because Session Manager does not require inbound rules on the EC2 instance. Option F is invalid because EC2 does not use interface endpoints for management connectivity.

This combination ensures secure, private access for forensic investigation while preserving evidence integrity and adhering to AWS incident response best practices.

Referenced AWS Specialty Documents:

AWS Certified Security -- Specialty Official Study Guide

AWS Systems Manager Session Manager Architecture

AWS Incident Response and Forensics Best Practices


Question #4

A company has a large fleet of Amazon Linux 2 Amazon EC2 instances that run an application processing sensitive dat

a. Compliance requirements include no exposed management ports, full session logging, and authentication through AWS IAM Identity Center. DevOps engineers occasionally need access for troubleshooting.

Which solution will provide remote access while meeting these requirements?

Reveal Solution Hide Solution
Correct Answer: C

AWS Systems Manager Session Manager provides secure, auditable shell access to EC2 instances without opening inbound ports. According to AWS Certified Security -- Specialty guidance, Session Manager records all session activity to CloudWatch Logs or Amazon S3 and integrates with IAM Identity Center for centralized authentication.

This solution meets all requirements: no exposed ports, full audit logging, and identity-based access control. EC2 Instance Connect and serial console access do not integrate with Identity Center and may expose management paths.

Referenced AWS Specialty Documents:

AWS Certified Security -- Specialty Official Study Guide

AWS Systems Manager Session Manager

AWS IAM Identity Center Integration


Question #5

A company needs to build a code-signing solution using an AWS KMS asymmetric key and must store immutable evidence of key creation and usage for compliance and audit purposes.

Which solution meets these requirements?

Reveal Solution Hide Solution
Correct Answer: A

AWS CloudTrail provides authoritative records of KMS key creation, origin, and usage. Enabling log file validation ensures tamper detection. S3 Object Lock in compliance mode enforces immutability, which is a core audit requirement cited in AWS Certified Security -- Specialty materials.

CloudWatch and DynamoDB do not provide immutable storage guarantees suitable for compliance evidence.

Referenced AWS Specialty Documents:

AWS Certified Security -- Specialty Official Study Guide

AWS CloudTrail Log File Validation

Amazon S3 Object Lock


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