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AWS Launches EC2 Instance Attestation for Trusted Instances

🔒 AWS announced general availability of EC2 instance attestation in September 2025, enabling customers to cryptographically verify that only trusted software and configurations run on EC2 instances, including those with AI chips and GPUs. The feature uses NitroTPM and Attestable AMIs to create and compare cryptographic measurements of AMI contents. It integrates with AWS KMS so key operations can be restricted to instances that pass attestation. EC2 instance attestation is available in all AWS Commercial Regions, including AWS GovCloud (US).