
Delhivery automated EC2 instance discovery across multiple AWS accounts and regions using Lambda and Systems Manager to identify unmanaged instances and gather OS details for efficient patch management and compliance.


<div><p>This article describes an automated solution for discovering and managing EC2 instances across multiple AWS accounts and regions using Lambda and Systems Manager.</p><ul><li>Automates EC2 instance discovery across AWS Organizations using Lambda and Systems Manager</li><li>Generates CSV reports with instance details: ID, OS name, OS version, SSM management status</li><li>Identifies unmanaged instances to enable patching, upgrades, and maintenance activities</li><li>Uses CloudFormation templates to deploy IAM roles and Lambda functions across accounts</li><li>Supports multi-region and multi-account queries with flexible filtering options</li><li>Optional integration with Athena for ad-hoc analysis and QuickSight for visualization</li><li>Eliminates manual data collection, reducing operational overhead and costs</li></ul><p>The solution enables enterprises to efficiently manage large EC2 fleets, streamline patch management, ensure OS compliance, and maintain security across distributed infrastructure.</p></div>


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