Incident Response Guide for AWS CloudTrail Investigations – Part 1
AWS Security Blog shares the first part of a guide detailing how to use CloudTrail logs for in-depth incident response and security investigations. It explains techniques used by the AWS Security Incident Response Team (SIRT) to uncover suspicious activity, including cross-account unauthorized access and AI service abuse. The guide aims to equip security operations, cloud engineering, compliance, and leadership professionals with practical methodologies for comprehensive security analysis. It includes real-world scenarios with architecture diagrams, annotated CloudTrail logs, and investigative frameworks.
- →Comprehensive Guide to CloudTrail Investigations
- →Key Incident Response Terminology
- →Scenario 1: Cross-account S3 Data Deletion Investigation
Notes (3) ›
- Comprehensive Guide to CloudTrail Investigations
This guide provides practical methodologies and investigative techniques used by the AWS Security Incident Response Team (SIRT) for analyzing CloudTrail events. It helps users move beyond basic queries to uncover the full scope of incidents like cross-account unauthorized access, cryptocurrency mining, and AI service abuse.
- Key Incident Response Terminology
The guide includes definitions for common incident response and threat intelligence terminology. This ensures accessibility for readers from diverse backgrounds, covering concepts like reconnaissance, enumeration, lateral movement, privilege escalation, and indicators of compromise (IOCs).
- Scenario 1: Cross-account S3 Data Deletion Investigation
The first scenario walks through investigating a sophisticated cross-account S3 data deletion incident with ransomware implications. It details how to analyze CloudTrail logs to identify attacker reconnaissance, systematic deletion patterns, and masquerading techniques used by threat actors, offering lessons learned and preventive measures.
https://aws.amazon.com/blogs/security/incident-response-guide-for-aws-cloudtrail-investigations-part-1/
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