The answer is CloudTrail, Amazon CloudWatch Logs, and CloudWatch Alarms. This combination works because CloudTrail records all IAM console login failures as detailed events, which are then streamed into CloudWatch Logs for analysis. A CloudWatch Alarm, configured with a metric filter that parses for the specific 'ConsoleLogin' event with a 'Failure' status, triggers real-time alerts—often via Amazon SNS—whenever a login failure occurs. On the AWS Certified Security Specialty SCS-C02 exam, this scenario tests your understanding of the monitoring and alerting pipeline, specifically how to bridge raw audit logs with actionable notifications. A common trap is choosing CloudTrail alone or pairing it only with SNS, forgetting that CloudTrail cannot directly trigger alarms; it must first send events to CloudWatch Logs for metric filtering. Remember the pipeline: CloudTrail captures, CloudWatch Logs stores and filters, CloudWatch Alarm alerts. For a quick memory tip, think "Trail to Logs to Alarm" as the three-step chain for any failed login alert.
SCS-C02 Security Logging and Monitoring Practice Question
This SCS-C02 practice question tests your understanding of security logging and monitoring. 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 team needs to be alerted when an IAM user generates a console login failure. Which combination of AWS services should be used to meet this requirement?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
CloudTrail, Amazon CloudWatch Logs, and CloudWatch Alarms
Option B is correct because CloudTrail captures IAM console login failures as CloudTrail events, which can be streamed to CloudWatch Logs. A CloudWatch Alarm can then be configured to trigger on a metric filter that matches the specific 'ConsoleLogin' event with a 'Failure' status, enabling real-time alerting via Amazon SNS.
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.
✗
CloudTrail and Amazon S3
Why it's wrong here
S3 alone cannot send real-time alerts; you need CloudWatch.
✓
CloudTrail, Amazon CloudWatch Logs, and CloudWatch Alarms
Why this is correct
CloudTrail delivers events to CloudWatch Logs, where a metric filter can detect failures and trigger an alarm.
Related concept
Read the scenario before looking for a memorised answer.
✗
AWS Config and Amazon SNS
Why it's wrong here
AWS Config evaluates resource configurations, not API call history.
✗
Amazon GuardDuty and AWS Lambda
Why it's wrong here
GuardDuty detects threats, not simple login failures.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think CloudTrail alone is sufficient for alerting, but CloudTrail only logs events; it requires integration with CloudWatch Logs and Alarms to generate notifications, and options like GuardDuty or Config are often mistakenly chosen because they sound security-related but do not directly address the specific login failure alerting requirement.
Detailed technical explanation
How to think about this question
CloudTrail logs 'ConsoleLogin' events with a 'userIdentity' and 'responseElements' field containing a 'ConsoleLogin' result of 'Failure'. A CloudWatch Logs metric filter uses a pattern like '{ ($.eventName = "ConsoleLogin") && ($.responseElements.ConsoleLogin = "Failure") }' to count these events. The CloudWatch Alarm then evaluates the metric over a specified period (e.g., 1 minute) and triggers an SNS notification when the threshold is breached.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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.
Security Logging and Monitoring — This question tests Security Logging and Monitoring — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: CloudTrail, Amazon CloudWatch Logs, and CloudWatch Alarms — Option B is correct because CloudTrail captures IAM console login failures as CloudTrail events, which can be streamed to CloudWatch Logs. A CloudWatch Alarm can then be configured to trigger on a metric filter that matches the specific 'ConsoleLogin' event with a 'Failure' status, enabling real-time alerting via Amazon SNS.
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.
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Question Discussion
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