- A
Create an Amazon EventBridge rule that matches GuardDuty findings and triggers a Lambda function.
EventBridge can directly invoke Lambda functions.
- B
Configure Amazon CloudWatch Logs to send log events to an email distribution list.
Why wrong: CloudWatch Logs does not directly send emails.
- C
Create an Amazon CloudWatch Events rule to route findings to a Lambda function.
Why wrong: CloudWatch Events is replaced by EventBridge; but technically works. However, the better answer is EventBridge.
- D
Create an Amazon Simple Notification Service (SNS) topic and subscribe the email distribution list.
SNS can send emails to subscribers.
- E
Create an Amazon Simple Queue Service (SQS) queue and have the Lambda function poll the queue.
Why wrong: SQS is for decoupling, not direct email notification.
SCS-C02 Threat Detection and Incident Response Practice Question
This SCS-C02 practice question tests your understanding of threat detection and incident response. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A security engineer is configuring Amazon GuardDuty to generate alerts for specific threat types. The engineer wants to ensure that alerts are sent to the security team's email distribution list and also trigger an automated Lambda function for immediate response. Which two actions should the engineer take? (Select TWO.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Create an Amazon EventBridge rule that matches GuardDuty findings and triggers a Lambda function.
Option A is correct because Amazon EventBridge (formerly CloudWatch Events) can be configured with a rule that matches GuardDuty finding events. When a finding matches the rule pattern, EventBridge can directly invoke a Lambda function for automated incident response, such as isolating a compromised instance or updating security groups.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Create an Amazon EventBridge rule that matches GuardDuty findings and triggers a Lambda function.
Why this is correct
EventBridge can directly invoke Lambda functions.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Configure Amazon CloudWatch Logs to send log events to an email distribution list.
Why it's wrong here
CloudWatch Logs does not directly send emails.
- ✗
Create an Amazon CloudWatch Events rule to route findings to a Lambda function.
Why it's wrong here
CloudWatch Events is replaced by EventBridge; but technically works. However, the better answer is EventBridge.
- ✓
Create an Amazon Simple Notification Service (SNS) topic and subscribe the email distribution list.
Why this is correct
SNS can send emails to subscribers.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create an Amazon Simple Queue Service (SQS) queue and have the Lambda function poll the queue.
Why it's wrong here
SQS is for decoupling, not direct email notification.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse CloudWatch Events (now EventBridge) with CloudWatch Logs or think that SQS alone can handle email notifications, overlooking the need for SNS to deliver messages to email distribution lists.
Detailed technical explanation
How to think about this question
GuardDuty sends findings as events to EventBridge, which uses event pattern matching to route specific finding types (e.g., 'UnauthorizedAccess:EC2/SSHBruteForce') to targets like Lambda or SNS. The Lambda function can then execute remediation actions, such as modifying security group rules or stopping EC2 instances, while SNS handles email delivery via subscriptions to endpoints like email, SMS, or HTTP. Under the hood, EventBridge uses a default event bus and supports content-based filtering with JSON path expressions.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this SCS-C02 question test?
Threat Detection and Incident Response — This question tests Threat Detection and Incident Response — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create an Amazon EventBridge rule that matches GuardDuty findings and triggers a Lambda function. — Option A is correct because Amazon EventBridge (formerly CloudWatch Events) can be configured with a rule that matches GuardDuty finding events. When a finding matches the rule pattern, EventBridge can directly invoke a Lambda function for automated incident response, such as isolating a compromised instance or updating security groups.
What should I do if I get this SCS-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 24, 2026
This SCS-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SCS-C02 exam.
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