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Amazon SCS-C03 Exam Syllabus Topics:

TopicDetails
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
  • 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 4
  • Data Protection: This domain centers on protecting data at rest and in transit through encryption, key management, data classification, secure storage, and backup mechanisms.

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Trusted Dumps SCS-C03 PDF & Realistic SCS-C03 Exam Study Guide & Valid Amazon AWS Certified Security - Specialty

Are you seeking to pass your AWS Certified Security - Specialty? If so, Prep4sures is the ideal spot to begin. Prep4sures provides comprehensive SCS-C03 Exam Questions (Links to an external site.) preparation in two simple formats: a pdf file format and a Amazon SCS-C03 online practice test generator. If you fail your AWS Certified Security - Specialty (SCS-C03), you can get a complete refund plus a 20% discount! Read on to find out more about the amazing SCS-C03 exam questions.

Amazon AWS Certified Security - Specialty Sample Questions (Q171-Q176):

NEW QUESTION # 171
A company in France uses Amazon Cognito with the Cognito Hosted UI as an identity broker for sign-in and sign-up processes. The company is marketing an application and expects that all the application ' s users will come from France. When the company launches the application, the company ' s security team observes fraudulent sign-ups for the application. Most of the fraudulent registrations are from users outside of France.
The security team needs a solution to perform custom validation at sign-up. Based on the results of the validation, the solution must accept or deny the registration request.
Which combination of steps will meet these requirements? (Select TWO.)

Answer: B,C

Explanation:
To performcustom validation at sign-upand explicitlyaccept or denyregistrations, Amazon Cognito providesLambda triggers. APre sign-up triggerruns synchronously during the sign-up flow (including the Hosted UI) and can implement custom checks (for example, IP reputation checks, email/domain validation, velocity checks, allow/deny lists, or geo checks using an external service). Based on the trigger logic, the function can allow the sign-up to proceed or reject it, meeting the "custom validation" and "accept/deny" requirement directly.
Because the observed fraud largely originatesoutside France, adding a front-door geographic control reduces unwanted traffic before it reaches Cognito.AWS WAFsupportsGeo matchconditions in a web ACL to allow
/deny requests by country, which is a common mitigation for region-scoped applications. Associating a WAF web ACL to protect the Hosted UI endpoint helps block sign-up requests from non-French locations early, reducing fraud attempts and load.
The other options do not meet the requirement: Cognito user pools do not provide a native "geographic restriction setting" for sign-up (D), app client ID validation does not stop fraudulent sign-ups (C), and using a social IdP does not provide custom accept/deny validation for all sign-ups (E).


NEW QUESTION # 172
A company finds that one of its Amazon EC2 instances suddenly has a high CPU usage. The company does not know whether the EC2 instance is compromised or whether the operating system is performing background cleanup.
Which combination of steps should a security engineer take before investigating the issue? (Select THREE.)

Answer: B,C,D

Explanation:
Before beginning an investigation, incident response best practice is topreserve evidence,prevent accidental loss of the asset, andclearly mark and control the potentially affected resource. Enablingtermination protection (Option B) helps ensure the instance is not accidentally terminated during triage, which would destroy volatile evidence and complicate forensics and recovery.
TakingEBS snapshotsof all attached data volumes (Option C) preserves a point-in-time copy of disk evidence for later forensic analysis, malware scanning, or offline investigation. Snapshots allow responders to create forensic volumes or AMIs in an isolated environment without repeatedly touching the potentially compromised instance.
Capturinginstance metadataand tagging the instance asunder quarantine(Option E) supports both investigation and operational control. Metadata capture (instance ID, IAM role, network interfaces, security groups, user- data, tags, recent changes) provides context for responders. Quarantine tagging enables automated workflows (for example, incident runbooks that isolate the instance, restrict IAM, or move it to a quarantine security group) and signals to other teams/tools that the instance is under investigation.
Option A is the opposite of what you want. Option D destroys evidence. Option F is not an appropriate
"before investigation" step; altering metadata risks losing evidence and is not the primary containment approach.


NEW QUESTION # 173
A company runs a web application on a fleet of Amazon EC2 instances that are in an Auto Scaling group. The EC2 instances are in the same VPC subnet as other workloads.
A security engineer deploys an Amazon GuardDuty detector in the same AWS Region as the EC2 instances and integrates GuardDuty with AWS Security Hub.
The security engineer needs to implement an automated solution to detect and appropriately respond to anomalous traffic patterns for the web application. The solution must comply with AWS best practices for initial response to security incidents and must minimize disruption to the web application.
Which solution will meet these requirements?

Answer: A

Explanation:
AWS incident response best practices emphasize rapid containment with minimal blast radius.
According to the AWS Certified Security - Specialty Official Study Guide, isolating a compromised resource while allowing the application to continue running is the preferred initial response.
By using Amazon EventBridge to detect GuardDuty findings related to anomalous traffic and invoking a Lambda function, the security engineer can automatically remove the affected EC2 instance from the Auto Scaling group and attach a restricted security group. This immediately isolates the instance while allowing Auto Scaling to launch a replacement instance, ensuring application availability.


NEW QUESTION # 174
A company runs workloads in an AWS account. A security engineer observes some unusual findings in Amazon GuardDuty. The security engineer wants to investigate a specific IAM role and generate an investigation report. The report must contain details about anomalous behavior and any indicators of compromise.
Which solution will meet these requirements?

Answer: C

Explanation:
Amazon Detective is a purpose-built AWS service designed toanalyze, investigate, and visualize security datato help identify the root cause of suspicious or malicious activity. According to the AWS Certified Security - Specialty Official Study Guide, Amazon Detective directly integrates withAmazon GuardDuty findings, AWS CloudTrail logs, Amazon VPC Flow Logs, and Amazon EKS audit logs to automatically create behavior graphs and timelines.
When GuardDuty generates findings related to anomalous activity, Amazon Detective enables security engineers to pivot directly to an investigation focused on a specific IAM role, user, or resource. Detective automatically correlates historical activity, identifies deviations from baseline behavior, and highlights indicators of compromise, such as unusual API calls, credential misuse, or suspicious network activity.
AWS Audit Manager (Option B) is designed for compliance and audit evidence collection, not threat investigation. Amazon Inspector (Options C and D) is focused on vulnerability scanning of compute resources and does not analyze IAM behavior or GuardDuty findings.
AWS documentation explicitly states thatAmazon Detective is the recommended service for deep-dive investigations following GuardDuty alerts, providing enriched context and investigation reports for security incidents.
* AWS Certified Security - Specialty Official Study Guide
* Amazon Detective User Guide
* Amazon GuardDuty Integration Documentation


NEW QUESTION # 175
A company runs an application on a fleet of Amazon EC2 instances. The application is accessible to users around the world. The company associates an AWS WAF web ACL with an Application Load Balancer (ALB) that routes traffic to the EC2 instances.
A security engineer is investigating a sudden increase in traffic to the application. The security engineer discovers a significant amount of potentially malicious requests coming from hundreds of IP addresses in two countries. The security engineer wants to quickly limit the potentially malicious requests. The security engineer does not want to prevent legitimate users from accessing the application.
Which solution will meet these requirements?

Answer: D

Explanation:
A rate-based rule in AWS WAF is designed to quickly mitigate spikes and potential layer 7 floods bytracking request rates per originating IPand temporarily blocking (or counting/challenging, depending on configuration) IPs that exceed a defined threshold within a 5-minute rolling window. In this scenario, the malicious traffic is distributed acrosshundreds of IPsin two countries, and the application still needs to remain available globally for legitimate users. A rate-based rule provides fast, targeted throttling that reduces abusive request patterns without permanently blocking entire geographies. This aligns with "quickly limit" while minimizing collateral impact.
Blocking both countries with a geo match rule (Option B) would likely block legitimate users located in those countries, which violates the requirement. Security groups (Options C and D) cannot natively enforcegeographicfiltering, and they are not well suited for large, rapidly changing sets of public source IPs at the application layer. Additionally, WAF operates at layer 7 with richer matching (rate limiting, URI/header patterns, bot controls), which is the appropriate control point when the ALB already has a web ACL associated. Therefore, implementing an AWS WAFrate-basedrule is the most effective and least disruptive immediate mitigation.


NEW QUESTION # 176
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