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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified Security - Specialty |
| Exam Number: | SCS-C03 |
| Real Exam Qty: | 65 |
| Exam Format: | Multiple Response, Multiple Choice |
| Available Languages: | English, Korean, Spanish (Latin American), Japanese, Simplified Chinese |
| Exam Duration: | 170 minutes |
| Related Certifications: | AWS Certified Solutions Architect - Associate AWS Certified Cloud Practitioner |
| Certificate Validity Period: | 3 years |
| Passing Score: | 720/1000 |
| Exam Price: | $300 USD |
| Sample Questions: | Amazon SCS-C03 Sample Questions |
| Exam Way: | Online proctored (PSI) or in-person testing center (Pearson VUE) |
| Pre Condition: | Recommended: AWS Certified Cloud Practitioner or Associate-level certification, minimum 2 years of hands-on AWS security experience |
| Official Syllabus URL: | https://docs.aws.amazon.com/certificates/security-specialty |
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NEW QUESTION # 97
A company has a platform that is divided into 12 AWS accounts under the same organization in AWS Organizations. Many of these accounts use Amazon API Gateway to expose APIs to the company's frontend applications. The company needs to protect the existing APIs and any resources that will be deployed in the future against common SQL injection and bot attacks.
Which solution will meet these requirements with the LEAST operational overhead?
Answer: C
Explanation:
The company needs centralized, scalable protection acrossmany accountsfor bothexisting and futureAPI Gateway resources, with minimal ongoing effort.AWS Firewall Manageris specifically designed for this: it can centrally deploy and enforceAWS WAFprotections across AWS Organizations. By creating a Firewall ManagerWAF policy, the security team defines a single set of controls (for example, AWS Managed Rules for SQL injection protection andAWS Bot Control) and applies them automatically to in-scope resources across member accounts.
Critically, Firewall Manager can be configured toauto-remediate noncompliant resources, ensuring that if new API Gateway stages are created later, they are automatically brought under the policy without manual per-account work. This directly meets the "existing and future resources" requirement.
NEW QUESTION # 98
A company's security engineer receives an alert that indicates that an unexpected principal is accessing a company-owned Amazon Simple Queue Service (Amazon SQS) queue. All the company's accounts are within an organization in AWS Organizations. The security engineer must implement a mitigation solution that minimizes compliance violations and investment in tools that are outside of AWS.
What should the security engineer do to meet these requirements?
Answer: C
Explanation:
Amazon SQS is an AWS-managed service and does not operate within customer VPCs. Therefore, security groups and network ACLs cannot be used to control access to SQS, making options A and B invalid.
According to AWS Certified Security - Specialty documentation, the recommended approach to securely access AWS services from within a VPC is through interface VPC endpoints (AWS PrivateLink).
By creating interface VPC endpoints for Amazon SQS, the company ensures that traffic to SQS stays within the AWS network and does not traverse the public internet. Adding an SQS resource policy with the aws:SourceVpce condition restricts access so that only requests originating from the specified VPC endpoint are allowed. Additionally, using the aws:PrincipalOrgId condition ensures that only principals belonging to the same AWS Organization can access the queue.
Option D introduces an external tool, increasing cost and compliance complexity, which directly violates the requirement to minimize investment outside AWS.
AWS documentation clearly identifies VPC endpoints combined with IAM condition keys as a best practice for securing service access in multi-account environments.
* AWS Certified Security - Specialty Official Study Guide
* Amazon SQS Security Best Practices
* AWS Organizations Documentation
* AWS PrivateLink User Guide
NEW QUESTION # 99
A company needs to follow security best practices to deploy resources from an AWS CloudFormation template. The CloudFormation template must be able to configure sensitive database credentials. The company already uses AWS Key Management Service (AWS KMS) and AWS Secrets Manager. Which solution will meet the requirements?
Answer: B
Explanation:
AWS CloudFormation dynamic references provide a secure mechanism for retrieving sensitive values from AWS Secrets Manager at stack creation or update time. According to the AWS Certified Security - Specialty documentation, dynamic references ensure that sensitive data such as database credentials are never stored in plaintext in CloudFormation templates, parameters, stack metadata, or logs.
When a dynamic reference to Secrets Manager is used, CloudFormation retrieves the secret value at runtime and passes it securely to the resource that requires it. The secret value is not exposed to users who view the template, stack, or change sets.
NEW QUESTION # 100
An IAM user receives an Access Denied message when the user attempts to access objects in an Amazon S3 bucket. The user and the S3 bucket are in the same AWS account. The S3 bucket is configured to use server-side encryption with AWS KMS keys (SSE-KMS) to encrypt all of its objects at rest by using a customer managed key from the same AWS account. The S3 bucket has no bucket policy defined. The IAM user has been granted permissions through an IAM policy that allows thekms:Decryptpermission to the customer managed key. The IAM policy also allows thes3:List* ands3:Get* permissions for the S3 bucket and its objects.
Which of the following is a possible reason that the IAM user cannot access the objects in the S3 bucket?
Answer: B
Explanation:
WithSSE-KMS, authorization is a two-part check: the caller must have S3 permissions to read the objectandthe caller must be allowed to use the KMS key for decryption. Even if an IAM policy grants kms:Decrypt, the request will still fail if theKMS key policydoes not allow the principal (or does not allow the account to delegate use of the key). KMS key policies are authoritative: they can prevent key usage even when IAM policies appear to allow it.
A common misconfiguration is editing the key policy and removing the statement that grants the AWS account (or key administrators) the ability to manage and delegate permissions for the key-- often described as removing "Enable IAM user permissions" or otherwise blocking the account from using IAM policies to authorize key usage. In that case, the IAM user's kms:Decrypt permission in IAM is not sufficient because the key policy no longer permits it, resulting in Access Denied when S3 attempts to call KMS on the user's behalf during GetObject.
NEW QUESTION # 101
A company is planning to migrate its applications to AWS in a single AWS Region. The company's applications will use a combination of Amazon EC2 instances, Elastic Load Balancing (ELB) load balancers, and Amazon S3 buckets. The company wants to complete the migration as quickly as possible. All the applications must meet the following requirements:
* Data must be encrypted at rest.
* Data must be encrypted in transit.
* Endpoints must be monitored for anomalous network traffic.
Which combination of steps should a security engineer take to meet these requirements with the LEAST effort? (Select THREE.)
Answer: A,C,D
Explanation:
Amazon GuardDuty provides continuous monitoring for anomalous and malicious network activity by analyzing VPC Flow Logs, DNS logs, and CloudTrail events. Enabling GuardDuty across accounts requires minimal configuration and immediately satisfies the requirement to monitor endpoints for anomalous network traffic, as described in the AWS Certified Security - Specialty Study Guide.
Encrypting data in transit for applications behind Elastic Load Balancing is most efficiently achieved by using AWS Certificate Manager (ACM). ACM provisions and manages TLS certificates automatically, and integrating ACM with ELB enables encrypted communication without manual certificate management.
For encryption at rest in Amazon S3, AWS best practices recommend enforcing server-side encryption using AWS KMS. An S3 bucket policy that denies PutObject requests unless the x-amz-server-side-encryption condition is present ensures that all uploaded objects are encrypted at rest using KMS-managed keys. This provides strong encryption guarantees with minimal operational effort.
Option A is unnecessary because Amazon Inspector focuses on vulnerability assessment, not encryption or network anomaly detection. Option C adds network complexity and is not required to meet the stated requirements. Option E is incorrect because x-amz-meta-side-encryption is not a valid enforcement mechanism.
Referenced AWS Specialty Documents:
AWS Certified Security - Specialty Official Study Guide
Amazon GuardDuty Threat Detection
AWS Certificate Manager and ELB Integration
Amazon S3 Encryption Best Practices
NEW QUESTION # 102
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