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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 |
| Real Exam Qty: | 65 (multiple choice and multiple response) |
| Related Certifications: | AWS Certified Advanced Networking - Specialty AWS Certified Solutions Architect - Associate AWS Certified SysOps Administrator - Associate AWS Certified DevOps Engineer - Professional AWS Certified Solutions Architect - Professional |
| Available Languages: | Japanese, Korean, Simplified Chinese, English |
| Passing Score: | 750 (scaled score out of 1000) |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 170 minutes |
| Exam Format: | Multiple choice, Multiple response |
| Recommended Training: | AWS Skill Builder - Security Learning Path AWS Certified Security - Specialty Exam Prep |
| Exam Registration: | AWS Certification Portal AWS Certification Official Registration |
| 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 # 152
AWS Config cannot deliver configuration snapshots to Amazon S3. Which TWO actions will remediate this issue?
Answer: B,E
Explanation:
AWS Config requires permissions at two levels to deliver configuration data: the AWS Config service role and the S3 bucket policy. The AWS Certified Security - Specialty Study Guide states that the S3 bucket policy must explicitly allow the config.amazonaws.com service principal to write objects. Additionally, the IAM role used by AWS Config must allow s3:GetBucketAcl and s3:PutObject.
If either permission is missing, AWS Config cannot deliver snapshots and will log delivery errors in CloudTrail. This dual-permission model ensures least privilege while maintaining secure delivery of compliance data.
Other options reference incorrect principals or irrelevant permissions.
NEW QUESTION # 153
A company's developers are using AWS Lambda function URLs to invoke functions directly. The company must ensure that developers cannot configure or deploy unauthenticated functions inproduction accounts. The company wants to meet this requirement by using AWS Organizations. The solution must not require additional work for the developers.
Which solution will meet these requirements?
Answer: B
Explanation:
AWS Organizations service control policies (SCPs) are designed to enforce preventive guardrails across accounts without requiring application-level changes. According to the AWS Certified Security - Specialty documentation, SCPs can restrict specific API actions or require certain condition keys to enforce security standards centrally. AWS Lambda function URLs support two authentication modes: AWS_IAM and NONE.
When the authentication type is set to NONE, the function URL becomes publicly accessible, which introduces a significant security risk in production environments.
By using an SCP that explicitly denies the lambda:CreateFunctionUrlConfig and lambda:
UpdateFunctionUrlConfig actions when the lambda:FunctionUrlAuthType condition key equals NONE, the organization ensures that unauthenticated function URLs cannot be created or modified in production accounts. This enforcement occurs at the AWS Organizations level and applies automatically to all accounts within the specified organizational units (OUs). Developers are not required to change their workflows or add additional controls, satisfying the requirement of no additional developer effort.
Option A relates to browser-based access controls and does not provide authentication or authorization enforcement. Option B is not valid because AWS WAF cannot be attached directly to AWS Lambda function URLs. Option C is incorrect because SCPs do not grant permissions; they only limit permissions. AWS documentation clearly states that SCPs define maximum available permissions and are evaluated before IAM policies.
This approach aligns with AWS best practices for centralized governance, least privilege, and preventive security controls.
Referenced AWS Specialty Documents:
AWS Certified Security - Specialty Official Study Guide
AWS Organizations Service Control Policies Documentation
AWS Lambda Security and Function URL Authentication Overview
NEW QUESTION # 154
A company uses AWS Config rules to identify Amazon S3 buckets that are not compliant with the company's data protection policy. The S3 buckets are hosted in several AWS Regions and several AWS accounts. The accounts are in an organization in AWS Organizations. The company needs a solution to remediate the organization ' s existing noncompliant S3 buckets and any noncompliant S3 buckets that are created in the future.
Which solution will meet these requirements?
Answer: A
Explanation:
The requirement includesremediating existing noncompliant bucketsand also handlingfuture noncompliant bucketsacross multiple accounts and Regions. Anorganization-wide AWS Config aggregatorprovides centralized visibility into compliance status across all member accounts/Regions. To remediate, AWS Config can trigger automation (commonly via EventBridge/SNS) that invokes anAWS Lambda function(or SSM Automation) to take corrective action-such as enabling default encryption, blocking public access, or applying required bucket policies-whenever a bucket is evaluated as noncompliant. This addresses both existing findings (by running remediation on current noncompliant resources) and new ones (by automatically reacting when new buckets appear or configurations drift).
Options C and D are insufficient because they scope only to "accounts and Regions the company currently uses," which fails the multi-Region/multi-account organization requirement and would miss future expansion.
Option B helps prevent creation of new noncompliant resources but does not remediate existing buckets, which is explicitly required. Therefore, the combination of an org-wide aggregator plus automated remediation on Config noncompliance is the best fit.
NEW QUESTION # 155
A company runs an internet-accessible application on several Amazon EC2 instances that run Windows Server. The company used an instance profile to configure the EC2 instances. A security team currently accesses the VPC that hosts the EC2 instances by using an AWS Site-to-Site VPN tunnel from an on-premises office.
The security team issues a policy that requires all external access to the VPC to be blocked in the event of a security incident. However, during an incident, the security team must be able to access the EC2 instances to obtain forensic information on the instances.
Which solution will meet these requirements?
Answer: D
Explanation:
EC2 Instance Connect endpoints provide secure, private connectivity to EC2 instances without requiring public IP addresses, inbound internet access, or VPN connectivity. According to AWS Certified Security - Specialty documentation, Instance Connect endpoints are designed specifically for incident response and secure administrative access scenarios.
By deploying an EC2 Instance Connect endpoint in the VPC, the security team can block all external network access while still maintaining controlled access to EC2 instances through the AWS Management Console.
The endpoint uses AWS-managed infrastructure and private connectivity, and access is authorized using IAM policies and instance profiles.
Options A and B rely on direct EC2 Instance Connect installation and network paths that may still depend on external access. Option C is incorrect because tunneling is not required when using the console-based Instance Connect endpoint.
This solution enables forensic access during incidents without reopening external network paths, aligning with AWS incident response best practices.
Referenced AWS Specialty Documents:
AWS Certified Security - Specialty Official Study Guide
EC2 Instance Connect Endpoint Architecture
AWS Incident Response Best Practices
NEW QUESTION # 156
A company runs its microservices architecture in Kubernetes containers on AWS by using Amazon Elastic Kubernetes Service (Amazon EKS) and Amazon Aurora. The company has an organization in AWS Organizations to manage hundreds of AWS accounts that host different microservices.
The company needs to implement a monitoring solution for logs from all AWS resources across all accounts.
The solution must include automatic detection of security-related issues.
Which solution will meet these requirements with theLEAST operational effort?
Answer: D
Explanation:
Amazon GuardDuty is afully managed, organization-aware threat detection servicethat continuously analyzes AWS logs such as CloudTrail events, VPC Flow Logs, DNS logs, EKS audit logs, and RDS activity.
According to the AWS Certified Security - Specialty Official Study Guide, GuardDuty is designed to operate atscale across AWS Organizations with minimal operational overhead.
By designating a GuardDuty administrator account in the organization's management account and enabling GuardDuty organization-wide, the company can automatically enable threat detection across hundreds of AWS accounts. EnablingEKS Protectionallows GuardDuty to analyze Kubernetes audit logs for suspicious activity, whileRDS Protectionprovides anomaly detection for Amazon Aurora databases.
Options B, C, and D require custom log aggregation, processing, and analytics pipelines, which significantly increase operational effort and maintenance complexity. Amazon Inspector does not analyze logs, Athena- based analysis is manual, and Kinesis plus Lambda requires custom detection logic.
AWS documentation explicitly identifiesGuardDuty with AWS Organizations integrationas the recommended solution for centralized, automated threat detection across multi-account environments with minimal operational effort.
* AWS Certified Security - Specialty Official Study Guide
* Amazon GuardDuty User Guide
* GuardDuty Organization Administration Documentation
NEW QUESTION # 157
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