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Amazon SCS-C03 Exam Syllabus Topics:

Topic	Details
Topic 1	Data Protection: This domain centers on protecting data at rest and in transit through encryption, key management, data classification, secure storage, and backup mechanisms.
Topic 2	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 3	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.

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The AWS Certified Security - Specialty (SCS-C03) certification exam is one of the top-rated career advancement certification exams. The AWS Certified Security - Specialty (SCS-C03) certification exam can play a significant role in career success. With the AWS Certified Security - Specialty (SCS-C03) certification you can gain several benefits such as validation of skills, career advancement, competitive advantage, continuing education, and global recognition of your skills and knowledge. The AWS Certified Security - Specialty (SCS-C03) certification is a valuable credential that assists you to enhance your existing skills and experience.

Amazon AWS Certified Security - Specialty Sample Questions (Q77-Q82):

NEW QUESTION # 77
A company has two AWS accounts: Account A and Account B. Each account has a VPC. An application that runs in the VPC in Account A needs to write to an Amazon S3 bucket in Account B.
The application in Account A already has permission to write to the S3 bucket in Account B.
The application and the S3 bucket are in the same AWS Region. The company cannot send network traffic over the public internet.
Which solution will meet these requirements?

A. In Account A, create a gateway VPC endpoint for Amazon S3. Update the VPC route table in Account A.
B. Create a VPC peering connection between the VPC in Account A and the VPC in Account B.
Update the VPC route tables, network ACLs, and security groups to allow network traffic between the peered IP ranges.
C. Deploy a software VPN appliance in Account A. Create a VPN connection between the software VPN appliance and a virtual private gateway in Account B.
D. In both accounts, create a transit gateway and VPC attachments in a subnet in each Availability Zone. Update the VPC route tables.

Answer: A

Explanation:
To keep S3 accessoff the public internet, the standard AWS approach is to use anAmazon S3 gateway VPC endpoint(AWS PrivateLink for S3 is not used; S3 uses gateway endpoints). A gateway endpoint adds routes in the VPC route tables so traffic destined for S3 stays on the AWS backbone network rather than traversing an internet gateway, NAT gateway, or public IP paths.
This satisfies the "cannot send traffic over the public internet" requirement while allowing the application in Account A to reach S3 in the same Region.
Cross-account bucket access is controlled byIAM and the S3 bucket policy, not by networking between the two accounts' VPCs. The bucket resides in S3 (a regional service), not inside Account B's VPC, so connecting VPC-to-VPC (peering, transit gateway, VPN) does not inherently provide private access to S3. Those options would add complexity and still typically require internet/NAT unless S3 endpoints are used.
With the gateway endpoint in Account A, the application can privately reach S3, and because permissions are already granted to write to the bucket in Account B, the write operations will succeed without public internet routing.

NEW QUESTION # 78
A security engineer is designing a solution that will provide end-to-end encryption between clients and Docker containers running in Amazon Elastic Container Service (Amazon ECS). This solution must also handle volatile traffic patterns. Which solution would have the MOST scalability and LOWEST latency?

A. Configure a Network Load Balancer with a TCP listener to pass through TLS traffic to the containers.
B. Configure a Network Load Balancer to terminate the TLS traffic and then re-encrypt the traffic to the containers.
C. Configure an Application Load Balancer to terminate the TLS traffic and then re-encrypt the traffic to the containers.
D. Configure Amazon Route 53 to use multivalue answer routing to send traffic to the containers.

Answer: A

Explanation:
Network Load Balancers operate at Layer 4 and are optimized for extreme performance, ultra-low latency, and handling sudden traffic spikes. According to AWS Certified Security - Specialty documentation, using a TCP listener on an NLB allows TLS traffic to pass through directly to backend containers without termination, preserving true end-to-end encryption.
This approach eliminates the overhead of decrypting and re-encrypting traffic at the load balancer, reducing latency and maximizing throughput. NLBs scale automatically to handle volatile traffic patterns and millions of requests per second.
Application Load Balancers operate at Layer 7 and introduce additional latency due to TLS termination and HTTP processing. Route 53 multivalue routing does not provide load balancing at the transport layer and does not ensure encryption handling.
AWS recommends NLB TCP pass-through for high-performance, end-to-end encrypted container workloads.

NEW QUESTION # 79
A company's security engineer receives an abuse notification from AWS. The notification indicates that someone is hosting malware from the company's AWS account. After investigation, the security engineer finds a new Amazon S3 bucket that an IAM user created without authorization. Which combination of steps should the security engineer take to MINIMIZE the consequences of this compromise? (Select THREE.)

A. Change the password for all IAM users.
B. Encrypt all AWS CloudTrail logs.
C. Delete any resources that are unrecognized or unauthorized.
D. Rotate or delete all AWS access keys.
E. Turn on Amazon GuardDuty.
F. Take snapshots of all Amazon Elastic Block Store (Amazon EBS) volumes.

Answer: C,D,E

Explanation:
AWS incident response best practices emphasize rapid containment, credential revocation, and threat detection to minimize the blast radius of a compromise. According to the AWS Certified Security - Specialty Official Study Guide, when unauthorized resources such as an Amazon S3 bucket hosting malware are discovered, immediate action must be taken to stop further misuse of the account and to prevent recurrence.
Rotating or deleting all AWS access keys (Option D) is a critical containment step. If an IAM user has been compromised, any long-term credentials associated with that user must be revoked immediately to prevent continued unauthorized access. AWS guidance explicitly lists access key rotation or deletion as a first-response action for suspected credential compromise.
Deleting unrecognized or unauthorized resources (Option F) directly removes the malicious infrastructure that is being abused. In this case, deleting the unauthorized S3 bucket immediately stops malware distribution and reduces reputational and compliance impact.
Turning on Amazon GuardDuty (Option B) enables continuous threat detection by analyzing CloudTrail events, VPC Flow Logs, and DNS logs. GuardDuty can identify additional malicious activity, compromised credentials, or persistence mechanisms that the attacker may have established. AWS documentation recommends enabling GuardDuty during or immediately after an incident to detect ongoing or future threats.

NEW QUESTION # 80
A company's security team needs to receive a notification whenever an AWS access key has not been rotated in 90 or more days. A security engineer must develop a solution that provides these notifications automatically.
Which solution will meet these requirements with the LEAST amount of effort?

A. Create a script to export a .csv file from the AWS Trusted Advisor check for IAM access key rotation. Load the script into an AWS Lambda function that will upload the .csv file to an Amazon S3 bucket. Create an Amazon Athena table query that runs when the .csv file is uploaded to the S3 bucket. Publish the results for any keys older than 90 days by using an invocation of an Amazon SNS notification to the security team.
B. Deploy an AWS Config managed rule to run on a periodic basis of 24 hours. Select the access- keys-rotated managed rule, and set the maxAccessKeyAge parameter to 90 days.
Create an Amazon EventBridge rule with an event pattern that matches the compliance type of NON_COMPLIANT from AWS Config for the managed rule. Configure EventBridge to send an Amazon SNS notification to the security team.
C. Create an AWS Lambda function that queries the IAM API to list all the users. Iterate through the users by using the ListAccessKeys operation. Verify that the value in the CreateDate field is not at least 90 days old. Send an SNS notification to the security team if the value is at least 90 days old.Create an EventBridge rule to schedule the Lambda function to run each day.
D. Create a script to download the IAM credentials report on a periodic basis. Load the script into an AWS Lambda function that will run on a schedule through Amazon EventBridge.
Configure the Lambda script to load the report into memory and to filter the report for records in which the key was last rotated at least 90 days ago. If any records are detected, send an Amazon SNS notification to the security team.

Answer: B

Explanation:
The AWS Config managed rule access-keys-rotated is purpose-built for this requirement. It checks whether active IAM access keys have been rotated within the configured maxAccessKeyAge, with 90 days as the default value. When the rule evaluates an IAM user as NON_COMPLIANT, EventBridge can match the AWS Config compliance change event and publish a notification to Amazon SNS. This uses managed services and avoids custom scripts, credential report parsing, Athena tables, or Lambda code. Trusted Advisor and custom IAM API polling can work, but they introduce more operational effort and more custom logic. The least- effort and most direct solution is AWS Config managed rule plus EventBridge plus SNS.

NEW QUESTION # 81
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?

A. Deploy an AWS Config aggregator with organization-wide resource data aggregation. Create an AWS Lambda function that responds to AWS Config findings of noncompliant S3 buckets by deleting or reconfiguring the S3 buckets.
B. Deploy an AWS Config aggregator with organization-wide resource data aggregation. Create an SCP that contains a Deny statement that prevents the creation of new noncompliant S3 buckets.
Apply the SCP to all OUs in the organization.
C. Deploy an AWS Config aggregator that scopes only the accounts and Regions that the company currently uses. Create an AWS Lambda function that responds to AWS Config findings of noncompliant S3 buckets by deleting or reconfiguring the S3 buckets.
D. Deploy an AWS Config aggregator that scopes only the accounts and Regions that the company currently uses. Create an SCP that contains a Deny statement that prevents the creation of new noncompliant S3 buckets. Apply the SCP to all OUs in the organization.

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).

NEW QUESTION # 82
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