AWS CloudTrail

AWS CloudTrail
Name	AWS CloudTrail
Developer	Amazon Web Services
Released	November 2013
Operating system	Cloud computing
Genre	Log management, Security information and event management
License	Proprietary

AWS CloudTrail. It is a service that enables governance, compliance, operational auditing, and risk auditing of an Amazon Web Services account. The service provides event history of API calls and related account activity, delivering a comprehensive log for security analysis and resource change tracking. These logs are crucial for demonstrating compliance with frameworks like the Payment Card Industry Data Security Standard and the Health Insurance Portability and Accountability Act.

Overview

The service records actions taken by a user, role, or an AWS service across most Amazon Web Services offerings. This includes actions made through the AWS Management Console, AWS Command Line Interface, and AWS Software Development Kits. By creating a persistent record of these events, it supports security analysis and forensic investigations following incidents like the Capital One data breach. The foundational architecture ensures logs are stored durably in Amazon Simple Storage Service.

Key Features

A primary capability is the delivery of immutable log files that cannot be altered, which is vital for legal and regulatory evidence. It enables multi-region aggregation, allowing logs from various AWS Regions like US East (N. Virginia) and Asia Pacific (Mumbai) to be consolidated into a single Amazon Simple Storage Service bucket. The service integrates with Amazon CloudWatch Logs for real-time monitoring and alerting, and supports log file validation using SHA-256 hashing to ensure integrity. These features help organizations meet mandates from the National Institute of Standards and Technology.

Event Types and Logging

The service categorizes recorded activities into management events and data events. Management events include operations on resources like Amazon Elastic Compute Cloud instances or Amazon Relational Database Service databases, such as launching or terminating them. Data events provide granular visibility into resource-level operations, such as Amazon Simple Storage Service object-level API activity. All events contain details like the Internet Protocol address of the caller, timestamp, and the affected resource Amazon Resource Name.

Integration with AWS Services

Logs are natively integrated with several core Amazon Web Services for enhanced security and analytics. They can be streamed to Amazon CloudWatch Logs for metric filters and alarms, and to Amazon Athena for complex querying using Structured Query Language. For automated threat detection, logs are analyzed by Amazon GuardDuty, which uses machine learning models to identify suspicious activity. Furthermore, AWS Security Hub aggregates findings from Amazon GuardDuty, AWS Config, and other services to provide a centralized security view.

Security and Compliance

The service plays a critical role in securing Amazon Web Services environments and demonstrating adherence to regulatory standards. Logs assist in audits for the General Data Protection Regulation and the Federal Risk and Authorization Management Program. To protect the logs themselves, encryption is provided using AWS Key Management Service, and access is controlled through fine-grained Identity and Access Management policies. Organizations can use these trails to reconstruct security incidents and support investigations by teams like the Computer Emergency Response Team.

Pricing and Management

Pricing is based on the volume of management events recorded, with the first copy of management events for each region provided free. Charges apply for additional copies of management events and for all data events logged. Logs are stored in Amazon Simple Storage Service, incurring standard Amazon Simple Storage Service storage costs. Management is typically handled through the AWS Management Console, AWS Command Line Interface, or tools like AWS CloudFormation for infrastructure as code deployments, allowing integration into broader Information technology management processes.

Category:Amazon Web Services Category:Cloud computing Category:Security software