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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified Security - Specialty (SCS-C03) |
| Exam Number: | SCS-C03 |
| Real Exam Qty: | 65 (multiple choice and multiple response) |
| Exam Duration: | 170 minutes |
| Exam Price: | $300 USD |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple response, Multiple choice |
| Related Certifications: | AWS Certified Advanced Networking - Specialty AWS Certified SysOps Administrator - Associate AWS Certified DevOps Engineer - Professional AWS Certified Solutions Architect - Associate AWS Certified Solutions Architect - Professional |
| Available Languages: | Simplified Chinese, English, Korean, Japanese |
| Passing Score: | 750 (scaled score out of 1000) |
| Recommended Training: | AWS Certified Security - Specialty Exam Prep AWS Skill Builder - Security Learning Path |
| Exam Registration: | AWS Certification Portal AWS Certification Official Registration |
| Sample Questions: | Amazon SCS-C03 Sample Questions |
| Exam Way: | Online proctored or testing center (onsite) |
| Pre Condition: | No mandatory prerequisite, but recommended experience: 5+ years in IT security and 2+ years securing AWS workloads |
| Official Syllabus URL: | https://aws.amazon.com/certification/certified-security-specialty/ |
>> Authentic Amazon SCS-C03 Exam Questions <<
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NEW QUESTION # 65
A company is undergoing a security audit. The company issues IAM user credentials for an auditor. Because of third-party integration requirements, the auditor is unable to assume an IAM role. The auditor attempts to log in to AWS for the first time to reset the account password and to configure multi-factor authentication (MFA). However, the auditor receives an "Access Denied" error during the attempt to reset the password.
The auditor's account has the following IAM permissions:
securityhub:Get*
securityhub:List*
securityhub:BatchGet*
securityhub:Describe*
iam:ChangePassword on arn:aws:iam::*:user/${aws:username}
Which action will resolve this error?
Answer: D
Explanation:
Comprehensive and Detailed 100to 150 words of Explanation From AWS Certified Security - Specialty topics:
The auditor already has iam:ChangePassword for the correct user resource pattern, but the console also needs to read the account password policy so the user can see and satisfy the account's password requirements.
AWS IAM policy examples for self-managing passwords include iam:GetAccountPasswordPolicy to view account password requirements while changing an IAM user password. MFA cannot be configured before the first password reset if the user cannot complete the login flow. Password complexity might matter after the policy is readable, but the stated error is authorization failure, not password-format rejection. Granting iam:
ChangePassword on all resources is broader than necessary and does not solve the missing password-policy read permission.
NEW QUESTION # 66
A company is developing an application that runs across a combination of Amazon EC2 On-Demand Instances and Spot Instances. A security engineer needs to provide a logging solution that makes logs for all instances available from a single location. The solution must allow only a specific set of users to analyze the logs for event patterns. The users must be able to use SQL queries on the logs to perform root cause analysis.
Which solution will meet these requirements?
Answer: A
Explanation:
Amazon CloudWatch Logs provides a centralized, scalable service for collecting and storing logs from Amazon EC2 instances, regardless of whether the instances are On-Demand or Spot Instances. According to the AWS Certified Security - Specialty Official Study Guide, CloudWatch Logs is therecommended service for centralized log aggregation and near-real-time analysisof application and system logs.
By configuring all EC2 instances to send logs to asingle CloudWatch Logs log group, the security engineer ensures that logs from all instances are available in one centralized location. Access to the log group can be restricted by using IAM policies, ensuring that only authorized users can view and analyze the logs.
CloudWatch Logs Insights provides apowerful query language with SQL-like syntax, enabling users to search, filter, aggregate, and analyze log data efficiently. This directly satisfies the requirement for SQL-style queries to identify event patterns and perform root cause analysis without requiring data movement or additional services.
Option B is incorrect because CloudWatch Logs Insights cannot query log files stored in Amazon S3. Option C is inefficient and operationally complex, as Athena cannot directly query CloudWatch Logs log groups.
Option D is invalid because Amazon Detective is designed for security investigations using GuardDuty findings, not for general application log analysis.
AWS documentation explicitly states thatCloudWatch Logs combined with CloudWatch Logs Insightsis the most efficient and secure approach for centralized log analysis in EC2-based architectures.
* AWS Certified Security - Specialty Official Study Guide
* Amazon CloudWatch Logs Documentation
* CloudWatch Logs Insights Query Guide
NEW QUESTION # 67
A company runs an application on an Amazon EC2 instance. The application generates invoices and stores them in an Amazon S3 bucket. The instance profile that is attached to the instance has appropriate access to the S3 bucket. The company needs to share each invoice with multiple clients that do not have AWS credentials. Each client must be able to download only the client's own invoices. Clients must download their invoices within 1 hour of invoice creation. Clients must use only temporary credentials to access the company's AWS resources. Which additional step will meet these requirements?
Answer: D
Explanation:
Amazon S3 pre-signed URLs grant temporary access based on the permissions of the principal that generates them. AWS Certified Security - Specialty documentation explains that fine-grained authorization can be enforced by combining pre-signed URLs with IAM policy conditions.
By tagging each invoice object with a client identifier and adding a condition to the EC2 instance role policy using s3:ResourceTag/ClientId, the role can generate pre-signed URLs only for objects associated with a specific client. This ensures that each client can access only their own invoices, even though the URLs are temporary and unauthenticated.
Option A over-permissions clients. Option C is unnecessary because instance profiles already use temporary credentials. Option D violates AWS best practices by using long-term credentials.
AWS recommends resource tagging with IAM policy conditions for scalable, secure access control.
NEW QUESTION # 68
A company has a VPC that has no internet access and has the private DNS hostnames option enabled. An Amazon Aurora database is running inside the VPC. A security engineer wants to use AWS Secrets Manager to automatically rotate the credentials for the Aurora database. The security engineer configures the Secrets Manager default AWS Lambda rotation function to run inside the same VPC that the Aurora database uses. However, the security engineer determines that the password cannot be rotated properly because the Lambda function cannot communicate with the Secrets Manager endpoint. What is the MOST secure way that the security engineer can give the Lambda function the ability to communicate with the Secrets Manager endpoint?
Answer: A
Explanation:
AWS Secrets Manager is a regional service that is accessed through private AWS endpoints. In a VPC without internet access, AWS recommends using AWS PrivateLink through interface VPC endpoints to enable secure, private connectivity to supported AWS services. According to AWS Certified Security - Specialty documentation, interface VPC endpoints allow resources within a VPC to communicate with AWS services without traversing the public internet, NAT devices, or internet gateways.
An interface VPC endpoint for Secrets Manager creates elastic network interfaces (ENIs) within the VPC subnets and assigns private IP addresses that route traffic directly to the Secrets Manager service. Because the VPC has private DNS enabled, the standard Secrets Manager DNS hostname resolves to the private IP addresses of the interface endpoint, allowing the Lambda rotation function to communicate securely and transparently.
Option A introduces unnecessary complexity and expands the attack surface by allowing outbound internet access. Option B is incorrect because gateway VPC endpoints are supported only for Amazon S3 and Amazon DynamoDB. Option D violates the security requirement by exposing the VPC to the internet.
AWS security best practices explicitly recommend interface VPC endpoints as the most secure connectivity method for private VPC workloads accessing AWS managed services.
NEW QUESTION # 69
A security engineer has designed a VPC to segment private traffic from public traffic. The VPC includes two Availability Zones. Each Availability Zone contains one public subnet and one private subnet. Three route tables exist: one for the public subnets and one for each private subnet.
The security engineer discovers that all four subnets are routing traffic 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: A,D
Explanation:
AWS networking best practices require private subnets to access the internet only through NAT gateways located in public subnets. According to the AWS Certified Security - Specialty Study Guide, NAT gateways must be provisioned in public subnets and used as the default route for outbound traffic from private subnets.
Verifying NAT gateways in each Availability Zone ensures high availability and fault tolerance.
Updating the private subnet route tables to send 0.0.0.0/0 traffic to the NAT gateway prevents direct internet access while allowing outbound connectivity.
Routing private subnet traffic directly to an internet gateway violates subnet isolation principles.
NAT gateways must never be placed in private subnets.
NEW QUESTION # 70
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