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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Protection | 22% | - Amazon S3 security best practices - AWS Key Management Service (KMS) and customer managed keys - AWS CloudTrail and encryption key audit - Database encryption and access control - Design and implement encryption solutions for data at rest and in transit |
| Topic 2: Identity and Access Management | 20% | - Design and implement cross-account access management - Design and implement identity and access management architecture - Troubleshoot IAM-based authentication and authorization issues - Implement temporary credentials and federation |
| Topic 3: Logging and Monitoring | 20% | - Design and implement log analysis and management - Troubleshoot security monitoring and alerting - Design and implement monitoring and alerting solutions |
| Topic 4: Incident Response | 12% | - Given an AWS security incident, outline the investigation and mitigation steps - Identify, collect, and preserve forensic evidence - Determine root cause and recurrence prevention |
| Topic 5: Infrastructure Security | 26% | - AWS Secret Manager and AWS Systems Manager Parameter Store - Design and implement edge security on AWS - Design and implement host-based security - Architect network security segmentation (VPC architecture) |
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問題 #76
A company uses AWS IAM Identity Center with SAML 2.0 federation. The company decides to change its federation source from one identity provider (IdP) to another. The underlying directory for both IdPs is Active Directory.
Which solution will meet this requirement?
答案：A
解題說明：
AWS IAM Identity Center relies on SAML assertions and attribute mappings to associate federated users with identities, groups, and permission sets. According to the AWS Certified Security - Specialty documentation, when changing identity providers while maintaining the same underlying directory, existing users and group identities can be preserved by updating attribute mappings to align with the new IdP's SAML assertions.
By modifying the attribute mappings, IAM Identity Center can correctly interpret usernames, group memberships, and unique identifiers sent by the new IdP without requiring changes to AWS account roles or permission sets. This approach minimizes operational effort and avoids disruption to access management.
Option A unnecessarily disables identities and causes access outages. Option C is incorrect because IAM Identity Center abstracts role trust relationships, and roles do not directly trust the IdP. Option D is unrelated to federation source configuration and only affects authentication timing issues.
AWS best practices recommend updating attribute mappings when switching IdPs that share the same directory source.
Referenced AWS Specialty Documents:
AWS Certified Security - Specialty Official Study Guide
AWS IAM Identity Center SAML Federation
AWS Identity Federation Best Practices
問題 #77
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 outside of AWS. What should the security engineer do to meet these requirements?
答案：B
解題說明：
Amazon SQS is a regional service that supports AWS PrivateLink through interface VPC endpoints. According to AWS Certified Security - Specialty documentation, the most secure and compliant way to restrict access to AWS services is by using VPC endpoints combined with resource-based policies.
By creating interface VPC endpoints for Amazon SQS in all VPCs, traffic to SQS remains on the AWS network and does not traverse the public internet. Using the aws:SourceVpce condition in the SQS queue policy ensures that only requests originating from approved VPC endpoints can access the queue. Adding the aws:PrincipalOrgId condition further restricts access to principals that belong to the same AWS Organization.
Security groups and network ACLs do not apply to SQS because SQS is not deployed inside a VPC. Third-party CASB tools add cost and operational overhead.
問題 #78
A company runs an application on a fleet of Amazon EC2 instances behind an Application Load Balancer (ALB). A security engineer needs to provide secure access to the application without requiring the use of a VPN. Users should be able to access the application only when they meet specific security conditions, including a defined device posture. Which solution will meet these requirements?
答案：C
解題說明：
AWS Verified Access allows secure access to applications without requiring a VPN, using a zero- trust model to enforce security conditions, including device posture and identity verification. By configuring Verified Access and adding an endpoint for the Application Load Balancer (ALB), the security engineer can ensure that only users who meet specific security conditions can access the application. Verified Access is designed to meet this use case by providing secure access controls based on device posture and other conditions.
問題 #79
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?
答案：A
解題說明：
AWS CloudFormationdynamic referencesprovide 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 arenever stored in plaintextin 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.
Option B is insecure because parameters can be exposed through the CloudFormation console and APIs.
Option C is incorrect because SecureString parameters are a feature of AWS Systems Manager Parameter Store, not Secrets Manager. Option D is invalid because KMS encrypts data but does not store secrets or manage secret rotation.
AWS best practices clearly state thatCloudFormation dynamic references to Secrets Managerare the recommended solution for securely handling sensitive configuration values.
* AWS Certified Security - Specialty Official Study Guide
* AWS CloudFormation Security Best Practices
* AWS Secrets Manager Documentation
問題 #80
A security engineer needs to protect a public web application that runs in a VPC. The VPC hosts the origin for an Amazon CloudFront distribution. The application has experienced multiple layer 7 DDoS attacks. An AWS WAF web ACL is associated with the CloudFront distribution. The web ACL contains one AWS managed rule to protect against known IP addresses that have bad reputations.
The security engineer must configure an automated solution that detects and mitigates layer 7 DDoS attacks in real time with no manual effort.
Which solution will meet these requirements?
答案：A
解題說明：
Option D is the correct solution because it provides fully automated, real-time detection and mitigation of application-layer (Layer 7) DDoS attacks with no manual intervention. AWS Shield Advanced includes automatic application layer DDoS mitigation when it is enabled for supported resources such as Amazon CloudFront distributions. This feature continuously monitors traffic patterns and, when an attack is detected, automatically deploys AWS WAF rules to mitigate malicious requests.
Adding a rate-based rule to the AWS WAF web ACL further strengthens protection by automatically blocking IP addresses that exceed a defined request threshold, which is a common characteristic of Layer 7 DDoS attacks. This combination aligns directly with AWS best practices for protecting web applications against volumetric and application-layer threats.
Option A only provides alerting and visibility but does not ensure automated mitigation. Option B includes proactive engagement with the AWS DDoS Response Team, which is valuable for complex or large-scale attacks but still involves human interaction and therefore does not meet the "no manual effort" requirement.
Option C introduces unnecessary complexity and is not recommended for protecting CloudFront-based applications against Layer 7 DDoS attacks.
AWS Security Specialty documentation explicitly recommends AWS Shield Advanced with automatic application layer DDoS mitigation and AWS WAF rate-based rules for fully automated, real-time protection of public web applications.
問題 #81
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從Google Drive中免費下載最新的KaoGuTi SCS-C03 PDF版考試題庫：https://drive.google.com/open?id=12BHvl57-BB5cxHb94Ijodj645XDyddJ_