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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified Security - Specialty (SCS-C03) |
| Exam Number: | SCS-C03 |
| Exam Price: | $300 USD |
| Passing Score: | 750 (scaled score out of 1000) |
| Exam Format: | Multiple response, Multiple choice |
| Exam Duration: | 170 minutes |
| Related Certifications: | AWS Certified Solutions Architect - Associate AWS Certified Advanced Networking - Specialty AWS Certified DevOps Engineer - Professional AWS Certified SysOps Administrator - Associate AWS Certified Solutions Architect - Professional |
| Certificate Validity Period: | 3 years |
| Available Languages: | Japanese, English, Korean, Simplified Chinese |
| Real Exam Qty: | 65 (multiple choice and multiple response) |
| Recommended Training: | AWS Skill Builder - Security Learning Path AWS Certified Security - Specialty Exam Prep |
| Exam Registration: | AWS Certification Official Registration AWS Certification Portal |
| Sample Questions: | Amazon SCS-C03 Sample Questions |
| Exam Way: | Online proctored or testing center (onsite) |
| Pre Condition: | No mandatory prerequisite, but recommended experience: 5+ years in IT security and 2+ years securing AWS workloads |
| Official Syllabus URL: | https://aws.amazon.com/certification/certified-security-specialty/ |
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NEW QUESTION # 98
A company has an encrypted Amazon Aurora DB cluster in the us-east-1 Region. The DB cluster is encrypted with an AWS Key Management Service (AWS KMS) customer managed key. To meet compliance requirements, the company needs to copy a DB snapshot to the us-west-1 Region. However, when the company tries to copy the snapshot to us-west-1, the company cannot access the key that was used to encrypt the original database.
What should the company do to set up the snapshot in us-west-1 with proper encryption?
Answer: D
Explanation:
AWS Key Management Service (KMS) customer managed keys areregional resources. According to the AWS Certified Security - Specialty Official Study Guide and KMS documentation, a KMS key created in one AWS Regioncannot be used directly in another Region. When copying an encrypted Amazon Aurora DB snapshot across Regions, the destination Region must have access to a KMS keythat exists in that Region.
Because the original KMS key resides in us-east-1, it cannot be accessed or referenced in us-west-1. The correct and supported approach is tocreate a new customer managed KMS key in us-west-1and specify that key when performing the cross-Region snapshot copy. Amazon RDS automatically decrypts the snapshot using the source Region key and re-encrypts it using the destination Region key during the copy process.
Option A is invalid because KMS keys cannot be stored or transferred through AWS Secrets Manager.
Options C and D are incorrect because IAM policies cannot grant cross-Region usage of a KMS key; KMS enforces strict regional boundaries regardless of IAM permissions.
AWS documentation clearly states thatcross-Region encrypted snapshot copies require a KMS key in the destination Region, making this approach mandatory for compliance and encryption continuity.
* AWS Certified Security - Specialty Official Study Guide
* AWS Key Management Service Developer Guide
* Amazon Aurora Security Documentation
NEW QUESTION # 99
A company has contracted with a third party to audit several AWS accounts. To enable the audit, cross-account IAM roles have been created in each account targeted for audit. The auditor is having trouble accessing some of the accounts.
Which of the following may be causing this problem? (Choose three.)
Answer: A,C,F
Explanation:
Cross-account access for an external auditor typically usesSTS AssumeRoleinto a role that exists in each target account. Three common failure points are: (1) therole ARNbeing wrong or missing, (2) the auditor lacking permission to callsts:AssumeRoleon that role, and (3) anexternal IDmismatch when the role trust policy requires it. Theexternal IDis a best practice for third-party access to mitigate the confused-deputy problem; if the trust policy includes an sts:ExternalId condition, the auditor must supply the exact expected value. If it's absent or incorrect, AssumeRole will be denied.
The auditor must also be authorized on their side (IAM user/role policy) to call sts:AssumeRole (permission), and the destination role'strust policymust trust the auditor principal. If either side is misconfigured, the assume operation fails. Finally, the auditor must reference the correctrole ARNfor each account; using an incorrect ARN (wrong account ID/role name/path) is a frequent reason only "some accounts" fail.
NEW QUESTION # 100
A company is using Amazon Elastic Container Service (Amazon ECS) to deploy an application that deals with sensitive data. During a recent security audit, the company identified a security issue in which Amazon RDS credentials were stored with the application code in the company ' s source code repository. A security engineer needs to develop a solution to ensure that database credentials are stored securely and rotated periodically. The credentials should be accessible to the application only. The engineer also needs to prevent database administrators from sharing database credentials as plaintext with other teammates. The solution must also minimize administrative overhead.
Which solution meets these requirements?
Answer: C
Explanation:
AWS Secrets Manageris the AWS service designed to store secrets securely and to supportautomatic rotationon a schedule-commonly used for Amazon RDS credentials. Storing credentials in Secrets Manager removes them from source code, enables fine-grained access control, and supports auditability of secret retrieval through CloudTrail. Rotation can be configured to periodically change the database password and update the stored secret automatically, minimizing operational overhead compared to manual rotation processes.
To ensure the credentials are accessibleonly to the application, the correct ECS pattern is to useIAM roles for tasks. A task role can be scoped to allow only secretsmanager:GetSecretValue (and related actions if needed) for the specific secret ARN. Only tasks running with that role can retrieve the secret at runtime, which prevents broad access. This also helps reduce the risk of database administrators sharing plaintext credentials, because the recommended operational model is that humans should not need direct access; the application retrieves the secret programmatically, and access can be limited to break-glass workflows if required.
Systems Manager Parameter Store can store encrypted parameters, but Secrets Manager provides stronger native secret lifecycle features (notably rotation) for databases. Inline policies (Option B) are not necessary; managed or attached policies on the task role achieve the same goal with cleaner administration.
NEW QUESTION # 101
A company is running a containerized application on an Amazon Elastic Container Service (Amazon ECS) cluster that uses AWS Fargate. The application runs as several ECS services.
The ECS services are in individual target groups for an internet-facing Application Load Balancer (ALB). The ALB is the origin for an Amazon CloudFront distribution. An AWS WAF web ACL is associated with the CloudFront distribution.
Web clients access the ECS services through the CloudFront distribution. The company learns that the web clients can bypass the web ACL and can access the ALB directly.
Which solution will prevent the web clients from directly accessing the ALB?
Answer: A
Explanation:
When an internet-facing ALB is used as a CloudFront origin, it remains directly accessible unless additional access controls are enforced. According to AWS Certified Security - Specialty guidance,CloudFront IP allow lists alone are insufficient, because CloudFront IP ranges change and are not guaranteed to be exclusive.
The recommended and most secure approach is to configure CloudFront to send acustom origin header(such as X-Shared-Secret) with a secret value on every request to the origin. The ALB listener rules are then configured toforward traffic only when the header exists and matches the expected value. Requests that attempt to bypass CloudFront will not include this header and will be denied.
Option A is invalid because CloudFront does not support PrivateLink origins. Option B introduces unnecessary architectural changes and is not required. Option C is brittle and operationally risky due to changing IP ranges.
AWS documentation explicitly recommendscustom origin headersas the best practice to ensure that only CloudFront can access an internet-facing ALB when AWS WAF is attached at the CloudFront layer.
* AWS Certified Security - Specialty Official Study Guide
* Amazon CloudFront Origin Security Documentation
* AWS WAF and ALB Integration Guidance
NEW QUESTION # 102
A company runs a public web application on an Amazon EKS cluster. The company uses an Amazon CloudFront distribution to deploy the application. An Application Load Balancer (ALB) is configured as an origin for the distribution.
A security engineer needs to implement a monitoring solution that sends notifications to an existing Amazon SNS topic. The solution must send a notification to the SNS topic when the application receives 10,000 requests from the same end-user IP address during any 5-minute period.
Which solution will meet these requirements?
Answer: B
Explanation:
Comprehensive and Detailed 100to 150 words of Explanation From AWS Certified Security - Specialty topics:
AWS WAF rate-based rules are specifically designed to count requests by aggregation keys such as source IP address and apply an action when the count exceeds the configured limit during the evaluation window. A 5- minute window is the default and supported evaluation period. Because the application is delivered through CloudFront, the web ACL should be associated with the CloudFront distribution so requests are evaluated at the edge before reaching the ALB and EKS workload. CloudWatch metrics for the WAF rule can drive an alarm that notifies the SNS topic. CloudFront logs or VPC Flow Logs would require delayed log processing and custom counting. ASN matching does not count requests by individual end-user IP address.
NEW QUESTION # 103
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P.S. Free 2026 Amazon SCS-C03 dumps are available on Google Drive shared by BraindumpsPrep: https://drive.google.com/open?id=10Ti9WaQG2GL3mlqAlbSGunGvyB6QQYPc