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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Infrastructure Security | 20% | - Compute security
|
| Topic 2: Threat Detection and Incident Response | 14% | - Incident response procedures
|
| Topic 3: Identity and Access Management | 16% | - AWS IAM fundamentals
|
| Topic 4: Logging and Monitoring | 18% | - Audit logging
|
| Topic 5: Data Protection | 18% | - Data security services
|
| Topic 6: Management, Governance and Compliance | 14% | - Compliance and auditing
|
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NEW QUESTION # 67
A company needs to deploy AWS CloudFormation templates that 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: A
Explanation:
AWS CloudFormation supports dynamic references to AWS Secrets Manager, which allow sensitive values to be retrieved securely at stack runtime. According to AWS Certified Security - Specialty guidance, dynamic references prevent secrets from being stored in plaintext in templates, stack metadata, or logs.
Using dynamic references ensures that secrets remain encrypted at rest and are accessed only when required. CloudFormation does not support SecureString parameters for Secrets Manager references, and encrypting templates does not prevent exposure during execution.
NEW QUESTION # 68
A company is expanding its group of stores. On the day that each new store opens, the company wants to launch a customized web application for that store. Each store's application will have a non-production environment and a production environment. Each environment will be deployed in a separate AWS account.
The company uses AWS Organizations and has an OU that is used only for these accounts.
The company distributes most of the development work to third-party development teams. A security engineer needs to ensure that each team follows the company's deployment plan for AWS resources. The security engineer also must limit access to the deployment plan to only the developers who need access. The security engineer already has created an AWS CloudFormation template that implements the deployment plan.
What should the security engineer do next to meet the requirements in theMOST secureway?
Answer: A
Explanation:
AWS Service Catalog is designed to allow organizations to create and manageapproved sets of CloudFormation templates, known as products, and make them available to specific accounts or organizational units (OUs). According to the AWS Certified Security - Specialty Study Guide, Service Catalog is thepreferred governance mechanismfor enforcing standardized infrastructure deployments while maintaining strong access controls.
By creating a Service Catalog portfolio in the management account and sharing it with a specific OU, the security engineer ensures that only accounts within that OU can deploy the approved CloudFormation template. This guarantees that third-party developers can deploy infrastructureonly in accordance with the company's predefined deployment plan, without modifying or directly accessing the template itself.
Option B and D use CloudFormation modules, which are intended for reusable resource definitions but do not provide the same level ofdeployment governance, access control, and lifecycle managementas Service Catalog. Option C introduces unnecessary cross-account IAM roles, increasing the attack surface and operational complexity, which violates the "most secure" requirement.
AWS documentation explicitly states thatService Catalog is the recommended service for distributing standardized CloudFormation templates across AWS Organizations, while controlling who can deploy them and where.
* AWS Certified Security - Specialty Official Study Guide
* AWS Service Catalog Administrator Guide
* AWS Organizations Best Practices
* AWS Well-Architected Framework - Security Pillar
NEW QUESTION # 69
A security engineer receives a notice about suspicious activity from a Linux-based Amazon EC2 instance that uses Amazon Elastic Block Store (Amazon EBS)-based storage. The instance is making connections to known malicious addresses.
The instance is in a development account within a VPC that is in the us-east-1 Region. The VPC contains an internet gateway and has a subnet in us-east-1a and us-east-1b. Each subnet is associated with a route table that uses the internet gateway as a default route. Each subnet also uses the default network ACL. The suspicious EC2 instance runs within the us-east-1b subnet.
During an initial investigation, a security engineer discovers that the suspicious instance is the only instance that runs in the subnet.
Which response will immediately mitigate the attack and help investigate the root cause?
Answer: C
Explanation:
AWS incident response best practices emphasize immediate containment, preservation of evidence, and safe forensic investigation. According to the AWS Certified Security - Specialty Study Guide, when an EC2 instance is suspected of compromise, security teams should avoid logging in to the instance or installing additional tools, as these actions can alter evidence and increase risk.
Terminating the compromised instance after ensuring that its Amazon EBS volumes are preserved prevents further malicious activity immediately. By setting the EBS volumes to not delete on termination, all disk data is retained for forensic analysis. Launching a new, clean EC2 instance in a different subnet or Availability Zone with preinstalled diagnostic tools allows investigators to safely attach and analyze the compromised volumes without executing potentially malicious code.
Option A introduces significant risk by logging in to the compromised instance and modifying security controls during active compromise. Option B delays containment and allows continued outbound traffic during investigation steps. Option D is invalid because AWS WAF cannot be attached directly to Amazon EC2 instances and does not control outbound traffic.
AWS documentation strongly recommends isolating or terminating compromised resources and performing offline analysis using detached storage volumes. This approach ensures immediate mitigation, preserves forensic integrity, and aligns with AWS incident response frameworks.
NEW QUESTION # 70
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: D
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 # 71
A security engineer has designed a VPC to segment private traffic from public traffic. The VPC includes two Availability Zones. The security engineer has provisioned each Availability Zone with one private subnet and one public subnet. The security engineer has created three route tables for use with the environment. One route table is for the public subnets, and two route tables are for the private subnets (one route table for the private subnet in each Availability Zone).
The security engineer discovers that all four subnets are attempting to route traffic out through the internet gateway that is attached to the VPC.
Which combination of steps should the security engineer take to remediate this scenario? (Select TWO.)
Answer: D,E
Explanation:
In a properly segmented VPC architecture,public subnets route internet-bound traffic to an internet gateway, whileprivate subnets route outbound internet traffic through a NAT gatewaythat resides in a public subnet.
According to the AWS Certified Security - Specialty Official Study Guide and Amazon VPC documentation, private subnets must never have a direct route to an internet gateway.
The issue described indicates that private subnets are incorrectly routing traffic directly to the internet gateway. To remediate this, aNAT gateway must be provisioned in each public subnetto ensure high availability across Availability Zones. This satisfies the requirement that private resources can initiate outbound connections without being directly reachable from the internet.
Next, the route tables associated with theprivate subnets must be updatedso that the default route (0.0.0.0/0) points to the NAT gateway in the same Availability Zone. This ensures proper traffic flow and prevents cross- AZ dependencies.
Option B is incorrect because NAT gateways must reside in public subnets. Option C is unnecessary because local routes to the VPC CIDR range are automatically created. Option E is explicitly insecure, as it would reintroduce direct internet gateway access from private subnets.
AWS documentation consistently identifiesNAT gateways plus correct private subnet routingas the standard design for secure VPC segmentation.
* AWS Certified Security - Specialty Official Study Guide
* Amazon VPC Route Table Documentation
* AWS Well-Architected Framework - Security Pillar
NEW QUESTION # 72
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