# Incident response guide for AWS CloudTrail investigations - Part 1

DevFeed: [Incident response guide for AWS CloudTrail investigations - Part 1](<https://devfeed.tech/articles/incident-response-guide-for-aws-cloudtrail-investigations-part-1-4685.md>)

Original publisher: [Read original article](<https://aws.amazon.com/blogs/security/incident-response-guide-for-aws-cloudtrail-investigations-part-1/>)

Author: Oscar Diaz

Published: 2026-09-03T21:15:39Z

Content type: tutorial

Language: en

Sources: [AWS Security Blog](<https://devfeed.tech/sources/aws-security-blog.md>)

Topics: [AWS CloudTrail](<https://devfeed.tech/topics/aws-cloudtrail.md>), [Incident response](<https://devfeed.tech/topics/incident-response.md>), [AWS IAM](<https://devfeed.tech/topics/aws-iam.md>)

Tags: [advanced-300](<https://devfeed.tech/tags/advanced-300.md>), [analysis](<https://devfeed.tech/tags/analysis.md>), [aws-cloudtrail](<https://devfeed.tech/tags/aws-cloudtrail.md>), [best-practices](<https://devfeed.tech/tags/best-practices.md>), [guide](<https://devfeed.tech/tags/guide.md>), [incident-response](<https://devfeed.tech/tags/incident-response.md>), [logs](<https://devfeed.tech/tags/logs.md>), [security](<https://devfeed.tech/tags/security.md>), [security-blog](<https://devfeed.tech/tags/security-blog.md>), [security-identity-compliance](<https://devfeed.tech/tags/security-identity-compliance.md>)

## AI overview

A practical guide to investigating suspicious AWS activity through CloudTrail logs. It covers scenarios such as cross-account unauthorized access, cryptocurrency mining, and AI service abuse, with investigation questions, annotated logs, and preventive lessons.

## Source excerpt

AWS CloudTrail logs contain the evidence you need when investigating suspicious activity in your AWS environment, but knowing which fields matter and how to interpret them can mean the difference between surface-level analysis and uncovering the full scope of an incident. This guide walks you through real-world scenarios, showing you how to analyze CloudTrail events [...]